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Name: ____________________________Homework: Monday, October 13, 2014Solve the following problems. You MUST show your work. NO WORK = NO CREDIT.984250186690What is the constant rate of change shown in the graph below? What is the slope of the line from the table below? The table shows the cost for ordering a certain number of pizzas. What is the value of x if the cost is proportional to the number of pizzas ordered?-952524130Pizzas Ordered2345Cost$19.98$29.97$39.96 x00Pizzas Ordered2345Cost$19.98$29.97$39.96 xKevin can travel 22 12 miles in 13 hour. What is his average speed in miles per hour?200025-1477010Hour1248Distance5010020040000Hour1248Distance50100200400Find 5% of 300. Does your answer make sense? Explain. Find 25% of 180. Does your answer make sense? Explain. Find 120% of 75. Does your answer make sense? Explain. Find 150% of 28. Does your answer make sense? Explain. Suppose there are 20 questions on a multiple-choice test. If 35% of the answers are choice B, how many of the answers are not choice B?Suppose you add 10% of a number to the number, and then you subtract 10% of the total. Is the result greater than, less than, or equal to the original number? Explain your reasoning. A family pays $19 each month for internet access. Next month, the cost will increase by 5% because of an equipment fee. After this increase, what will be the cost for the internet access? Tanner has 200 baseball cards. Of those, 42% are in mint condition. How many of the cards are in mint condition?Homework: Tuesday, October 14, 2014Solve the following problems. You MUST show your work. NO WORK = NO CREDIT.1257300245745Size (oz)Cost ($)60.8981.04101.69324.7900Size (oz)Cost ($)60.8981.04101.69324.79Which size of yogurt shown in the table has the lowest unit price?11813 = 59z Solve for the variable. A cheetah can run 70 miles per hour. What is this speed in feet per hour?What is the unit rate if there are 1,760 Calories in 8 servings?Kaya is saving money at a rate of $30 per month. Edgardo is saving money at a rate of $35 per month. They both started saving at the same time. Create a table of values for 5 months. What would be the slope of each graph?The Spanish club held a car wash to raise money. The equation y=5x represents the amount of money y club members make for washing x cars. Identify the constant of proportionality. Then explain what it represents in this situation. Anjuli read 22 pages during a 30-minute study hall. At this rate, how many pages would she read in 45 minutes? To make lemonade, Andy adds 8 tablespoons of sugar for every 12 ounces of water. If he uses 32 ounces of water, write a proportion and find how many tablespoons for 32 ounces of water? Mallory is buying bedroom furniture for $1,789.43. The dresser is $39.7% of the total cost. What is the best estimate for the cost of the dresser? Abbey asked 50 students to vote for the school issue that was most important to them. Time to change classes received 12% of the votes. How many actual students chose this issue?Of the 60 books on a bookshelf, 24 are nonfiction. What percent of the books are nonfiction? Without calculating, arrange the following from greatest to least value:20% of 100, 20% of 500, 5% of 100Homework: Wednesday, October 15, 2014Solve the following problems. You MUST show your work. NO WORK = NO CREDIT.What is the constant rate of change of the graph below?What is the slope of the line from the data shown in the table below?-11430354965Time11 A.M. 1 P.M3 P.M5 P.MTemperature5565758500Time11 A.M. 1 P.M3 P.M5 P.MTemperature55657585Jason can travel 2434 miles in 12 hour. What is his average speed in miles per hour?A dolphin can swim up to 40 miles per hour. What is this speed in feet per hour?Taryn’s grandmother took her family out to dinner. If the dinner was $74 and Taryn’s dinner was 20% of the bill, how much was Taryn’s dinner? Write an equation to represent the statement below:80% of what number is 64Find the percent of change and state whether the percent of change is an increase or a decrease. 30 inches to 24 inchesWrite an equation to represent the statement below:What percent of 200 is 230Find the percent of change and state whether the percent of change is an increase or a decrease.$126 to $150Find the percent of change and state whether the percent of change is an increase or a decrease.Last school year the enrollment of Genoa Middle School was 465 students. This year the enrollment is 525.Find the percent of change and state whether the percent of change is an increase or a decrease.Three months ago, Santos could walk 2 miles in 40 minutes. Today he can walk 2 miles in 25 minutes. Students in a reading program gradually increased the amount of time they read. The first week, they read 20 minutes per day. Each week thereafter, they increased their reading time by 50% until they read an hour per day. In what week of the program did the students begin reading an hour per day? Homework: Thursday October 16, 2014Solve the following problems. You MUST show your work. NO WORK = NO CREDIT.EXTENDED RESPONSE The height of the water in a bathtub is shown in the graph.Part A Find the rate of change in inches per minute.Part B Explain what the points (0, 0) and (1, 6) represent.You can drive your car 21.7 miles with one gallon of gasoline. At that rate, how many miles can you drive with 13.2 gallons of gasoline?The speed limit on a highway is 70 miles per hour. About how fast is this in miles per minute?During a 3-hour period, 2,292 people rode the roller coaster at an amusement park. Write and solve a proportion to find x, the number of people who rode the coaster during a 12-hour period, if the rate is the same?The leather depot buys a coat from a supplier for $90 wholesale and marks up the price by 40%. What is the mark up of the coat? A store pays $10 for a bracelet, and the markup is 115%. What does the store charge for the bracelet? Find the selling price of a $270 bicycle with a 24% markup.Find the selling price of a $450 painting with a 45% markup.Find the selling price of a $62.25 karaoke machine with a 60.5% markup. A chair that costs $210 was reduced by 40% for a one-day sale. After the sale, the sale price was increased by 40%. What is the price of the chair? The Wares want to buy a new computer. The regular price is $1,049. The store is offering 20% discount. What is the price of the new computer?Mary and Roberto bought identical backpacks at different stores. Mary’s backpack originally cost $65 and was discounted 25%. Roberto’s backpack originally cost $75 and was on sale for 30% off the original price. Which backpack was the better buy? ................
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