Lois is buying plates for a party. She wants to buy a set of plates. The original cost was $40 but the store gave a 50% discount.
Answer=$20
Jean wants to buy an iPod. There is one for $180 and one for $200. What is the percent difference?
Answer=10.5%
Rosa was supposed to run for 330 minutes this week for her exercise plan. She only ran 297 minutes. What is her percent error?
Answer=10%
A backpack is $25. What is the total sell price when 5% sale tax?
Answer=$26.75
Pops is buying candy for Halloween. It was $15, but the store took off 5%. What was the selling price?
Answer=$14.25
Alex ran a mile in 7 minutes and 30 seconds. Mike ran/walked it in 9 minutes and 15 seconds. What is the percent difference?
Answer=20.9%
A table is $125. What is the total cost of the table when 8% sale tax is added?
Answer=$135
Rosa buys a microwave that is on sale for 75% off. The sale price is $20. What is the original price?
Answer=$80
Bobby unleashed chaos in the science room. He was supposed to make 80 mL of NaCl, but he accidentally created 220 mL! What was his percent error?
Answer=175%
A Realtor earns 7% commission. He sold a house for $50,000. How much commission does he get?
Answer=$3,500
Justin buys a cellphone that is on sale for 60% off. The sale price was $79.98, what is the original price?
Answer=$133.30
Justin did a science experiment and was supposed to get 132 grams of a substance. He actually got 117 grams. What was his percent error?
Answer=11.4%