Percent of Change, Percent Error, and Simple Interest

Find the percent of change from 10 inches to 14 inches.

• 4% Increase

• 29% Increase

• 40% Increase

• 3% Increase

Tags

CCSS.6.RP.A.3C

Find the percent of change from $52 to $125. Round your answer to the nearest whole percent.

• 140% Increase

• 73% Increase

• 58% Increase

• 104% Increase

Tags

CCSS.6.RP.A.3C

Find the percent of change if the original cost was $5 and the new cost is $1. 

• 4% Decrease

• 80% Decrease

• 400% Decrease

• 75% Decrease

Tags

CCSS.6.RP.A.3C

The students measured length during a science experiment, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?

• 15.79%

• 18.75%

• 2.25%

• 8.72%

Tags

CCSS.6.RP.A.3C

Zed went to the store and bought a bag of chips.  He estimated there would be 350 chips in the package, but realized there were only 200 chips in that package.  What was his percent error?

• 35%
• 75%

• 85%
• 92%

Tags

CCSS.6.RP.A.3C

An archaeologist estimated that a fossil was 520 years old. It was actually 500 years old. What was the percent error?

• 4%
• 20%
• 3.8%
• 15.2%

Tags

CCSS.6.RP.A.3C

Emilio borrows $1,200 from a bank with 8% simple interest per year.  How much will he have to pay back total in 2 years?

• $150
• $192
• $1,350

• $1,392

Tags

CCSS.7.RP.A.3

Jenna borrowed $5,000 for 3 years and had to pay $1,350 simple interest at the end of that time. What rate of interest did she pay?

• 5%

• 7%

• 8%
• 9%

Tags

CCSS.7.RP.A.3

Dan borrowed $2,000 for 6 months at 12% annual simple interest rate. How much interest is that?

• $120
• $144
• $1,200
• $1,440

Tags

CCSS.7.RP.A.3

When Lila was born, her parents put $8,000 into a savings account that earned 9% simple interest. Find the amount of interest earned after 18 years.

• $720

• $20,960

• $1,080

• $12,960

Tags

CCSS.7.RP.A.3