Name:________________

Rob must pay 8.25% sales tax on his purchase. What is the total amount that Rob must pay for the MP3 player? 4) 7) The cost of a DVD at Best Buy increased from $15.99 to $16.29. Find the percent increase to the nearest tenth of a percent. 8) A sample of rock weighing 400 grams contains 3 grams of iron. What percent of the rock is iron? ................
................