Buffalo Public Schools



Name:_________________________________________Date:___________7.RP.3 Percents and Money_____1. Suzanne bought a sweater at the sale price of $25. The original cost of the sweater was $40. What percent represents the discount that Suzanne received when buying the sweater? (2013)A. 15%B. 37.5%C. 60%D. 62.5%_____2. Julia’s service charge at a beauty salon was $72.60, before tax. The sales tax rate was 8%. If she added 20% of the amount before tax as a tip, how much did she pay for the service at the salon?(2013)A. $87.12B. $92.93C. $100.60D. $145.20_____3. The Lions won 16 games last year. This year the Lions won 20 games. What is the percent increase in the number of games the Lions won from last year to this year? (2014)A. 20%B. 25%C. 80%D. 125%_____4. A store sold 650 bicycles last year. This year the store sold 572 bicycles. What is the percent decrease in the number of bicycles sold from last year to this year? (2014)A. 12%B. 14%C. 78%D. 88%_____5. Charis invested $140. She earned a simple interest of 3% per year on the initial investment. If no money was added or removed from the investment, what was the amount of interest Charis received at the end of two years?(2014)A. $4.20 B. $6.00C. $8.40D. $12.60_____6. A store purchased a DVD for $12.00 and sold it to a customer for 50% more than the purchase price. The customer was charged a 7% tax when the DVD was sold. What was the customer’s total cost for the DVD? (2014)A. $12.84B. $18.42C. $18.84D. $19.26_____7. During a sale, a store offered a 40% discount on a particular camera that was originally priced at $450. After the sale, the discounted price of the camera was increased by 40%. What was the price of the camera after this increase?(2015)A. $252B. $360C. $378D. $450_____8. Each sales associate at an electronics store has a choice of the two salary options shown below.? $115 per week plus 9.5% commission on the associate’s total sales? $450 per week with no commission The average of the total sales amount for each associate last year was $125,000. Based on this average, what is the difference between the two salary options each year? (52 weeks = 1 year)(2015) A. $4,262.11 B. $5,545.00 C. $10,956.90 D. $11,525.00_____9. A dealer paid $10,000 for a boat at an auction. At the dealership, a salesperson sold the boat for 30% more than the auction price. The salesperson received a commission of 25% of the difference between the auction price and the dealership price. What was the salesperson’s commission?(2015)A. $750B. $1,750C. $3,250D. $5,500_____10. Lehana and Marty each opened a savings account with a deposit of $100.Lehana earned 2.5% simple interest per yearMarty earned 2% simple interest per yearNeither of them made additional deposits or withdrawals How much more did Lehana receive in interest than Marty after three years? (2016) (no calculator)A. $0.50B. $1.50C. $5.00D. $15.00_____11. Last year 950 people attended a town’s annual parade. This year 1,520 people attended. What was the percent increase in attendance from last year to this year? (2016)A. 37.5%B. 57%C. 60.0%D. 62.5%_____12. Every five years in March, the population of a certain town is recorded. In 1995, the town had a population of 4,500 people. From 1995 to 2000, the population increased by 15%. From 2000 to 2005, the population decreased by 4%. What was the town’s population in 2005?(2017) no calculator4,527B. 4,968C. 4,995D. 5,382_____13. A clothing store used the sign shown below to advertise a discount on shirts.Ky wants to buy three shirts, which were originally priced $49.96 each. The store will discount the price of the third shirt and then apply a 7.1% tax to the total cost of all three shirts. Including the tax, what will be the mean cost of each shirt? (2016)A. $41.99B. $42.70C. $44.59D. $45.18_____14. Carl wants to buy a television that costs $500, including taxes. To pay for the television, he will use a payment plan that requires him to make a down payment of $125, and then pay $72.50 each month for 6 months. What is the percent increase from the original cost of the television to the cost of the television using the payment plan? (2017)A. 6%B. 12%C. 58%D. 89%_____15. A student uses a solution that contains 16 grams of water to conduct and evaporation experiment.At the end of one hour, the amount of water in the solution has decreased by 3.5%At the end of two hours, the amount of water in the solution has decreased by another 4.25%. Which calculations can be used to determine the amount of water, in grams, remaining in the solution at the end of the second hour?(2017)3524250109220Step 1: 0.35 x 16 = 5.6 Step 2: 16 – 5.6 = 10.4Step 3: 0.425 x 10.4 = 4.42Step 4: 16 – 4.42 = 11.58Step 1: 0.35 x 16 = 5.6Step 2: 16 – 5.6 = 10.4Step 3: 0.425 x 10.4 = 4.42Step 4: 10.4 – 4.42 = 5.98400000Step 1: 0.35 x 16 = 5.6 Step 2: 16 – 5.6 = 10.4Step 3: 0.425 x 10.4 = 4.42Step 4: 16 – 4.42 = 11.58Step 1: 0.35 x 16 = 5.6Step 2: 16 – 5.6 = 10.4Step 3: 0.425 x 10.4 = 4.42Step 4: 10.4 – 4.42 = 5.98Step 1: 0.035 x 16 = 0.56Step 2: 16 – 0.56 = 15.44Step 3: 0.0425 x 15.44 = 0.6562Step 4: 16 – 0.6562 = 15.3438Step 1: 0.035 x 16 = 0.56Step 2: 16 – 0.56 = 15.44Step 3: 0.0425 x 15.44 = 0.6562Step 4: 15.44 – 0.6562 = 14.7838_____16. Bonnie deposits $70.00 into a new savings account.(2018)The account earns 4.5% simple interest per year.No money is added or removed from the savings account for 3 years. What is the total amount of money in her savings account at the end of the 3 years?$9.45B. $79.45C. $94.50D. $164.50_____17. Lea wants to save money on a new computer. At the store near her, the computer she wants is listed at a regular price of $400.00.(2018)On Saturday, the store will have a sale and discount the computer by 30%.Shoppers who buy a computer that same Saturday before 9:00 a.m. will also receive an additional 10% off the sale price. How much will Lea pay, without tax, when she buys the computer that Saturday before 9:00 a.m.?$148.00B. $160.00C. $240.00D. $252.00 _____18. Joseph’s lunch at a restaurant costs $13.00, without tax. He leaves the waiter a tip of 17% of the cost of the lunch, without tax. What is the total cost of the lunch, including the tip, without tax?(2019)$2.21B. $10.79C. $13.17D. $15.21 _____19. The ratio of boys to girls in Mr. Johnson’s after school club is the same as the ratio of boys to girls in Ms. Greene’s after school club. There are 4 boys and 12 girls in Mr. Johnson’s club. There are 6 boys in Ms. Greene’s club. How many girls are in Ms. Greene’s club? (2019)A. 2B. 12C. 14D. 1820. Kelsie sold digital cameras on her web site. She bought the cameras for $65 each and included a 60% markup to get the selling price. To the nearest dollar, what was the selling price for one camera?(2014) Show your work.21. A home improvement store sold wind chimes for $30 each. A customer signed up for a free membership card and received a 5% discount off the price. Sales tax of 5% was applied after the discount. What was the final price of the wind chime? (2016) Show your work. Answer $___________________22. A group of friends went to lunch. The bill, before sales tax and tip, was $37.50. A sales tax of 8% was added. The group then tipped 18% on the amount after the sales tax was added. What was the amount, in dollars, of the sales tax? (2013)Show your work.Answer $_________ What was the total amount the group paid, including tax and tip?Show your work.Answer $_____________ 23. Mrs. Hamilton worked for a real estate agency. She sold a house for $175,000. The agency’s fee for the sale was 4% of the sale price. Mrs. Hamilton received $4,725 of the agency’s fee as her commission. What percent of the agency’s fee did Mrs. Hamilton receive? Round your answer to the nearest tenth of a percent.(2014) Show your work.Answer __________%24. The coach for a basketball team wants to buy new shoes for her 12 players. Super Sports is offering a 20% discount on each pair of shoes, which were originally priced $72.50. A 6.5% sales tax will be applied to the discounted price. The same shoes are also available on Double Dribble’s web site for $54.75. A 9% processing fee will be applied to the cost of the shoes, plus a shipping fee of $5.99 for each pair. What is the difference in the total costs of the 12 pairs of shoes between the two stores?Show your work.(2016) Answer $___________________25. Mick paid $2.94 in sales tax on an item that cost $42.00 before tax. At that rate, how much would he pay in sales tax for an item that costs $58.00 before tax? (2017) Show your work. Answer $___________________26. Last year, a property manager bought five identical snow shovels and six identical bags of salt. The total cost of the snow shovels was $172.50, before tax, and each bag of salt cost $6.20, before tax. This year, the property manager bought two identical snow shovels and four identical bags of salt. The total cost of the snow shovels was $70.38, before tax, and the total cost of the bags of salt was $26.04, before tax. Determine the item with the greatest percent increase in the price from last year to this year. Be sure to include the percent increase of this item to the nearest percent.(2017)Show your workAnswer _______________ and ____________%27. The table below shows the number of scooters sold at a store during a three-year period. (2018)15430502730500 In Year 4, the store sold 112% of the total number of scooters sold during the previous three years combined. Determine the number of scooters sold in Year 4. Show your work.Answer _______________ scooters28. A company starts to track the number of phone calls received each month. Information about the number of phone calls the company received the first three months of tracking is listed below.During the first month, the company received 4,264 phone calls.During the second month, the company received 25% more phone calls than in the first month.During the third month, the company received 6,396 phone calls. What was the percent increase in the number of phone calls from the second month to the third month?(2019)Answer ____________% ................
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