7.RP.A3 Part 2
starstarstarstarstarstarstarstarstarstar
by Helene Rush
| 10 Questions
1
1
Alexis had a cell phone that cost \$65. She recently bought a new phone that cost \$79. What was the percent increase in the prices of the phone?
0.215%
21.5%
17.7%
0.177%
2
1
Teney bought a used guitar at a garage sale for \$150. He fixed it up and sold it for \$200. What was the percent increase?
3
1
Elle earned \$45 last month babysitting. This month she earned \$35. What is the percent decrease?
22.2%
28.5%
0.222%
0.285%
4
1
Ray predicted that he would score 16 points during the basketball game. He only scored 12 points. What was his percent error?
25%
33.3%
0.333%
0.25%
5
1
Aurora thought there were 25 students in her math class, but there were actually 27 students. What is her percent error?
6
1
PART A. Cheryl deposits \$7,500 into the bank. She cannot withdraw or deposit any more money
for 6 years. She earns 6% interest during that time. How much INTEREST does she earn after 6 years?
\$450
\$270,000
\$2,700
7
1
PART B. Cheryl deposits \$7,500 into the bank. She cannot withdraw or deposit any more money
for 6 years. She earns 6% interest during that time. What will her new balance be after 6 years?
\$10,200
\$45,000
\$13,500
8
1
PART A. Craig just purchased a new sports car. He financed \$45,000 and must pay it back over 5
years with 11% interest. How much will Craig have paid in INTEREST by the time his car is paid off?
9
1
PART A. Craig just purchased a new sports car. He financed \$45,000 and must pay it back over 5
years with 11% interest. How much TOTAL will Craig have paid after 5 years?
10
1
Allison was left an inheritance from her Great Aunt. However, she is not able to touch it
until she is 21 years old. Allison is 12 years old now, and inherited \$50,000 that was put into
an account that earns 2% interest.