Percent Change and Simple Interest

A pair of socks costs $2.50 originally. The price is reduced to $1.75. What is the percent change?

• 43% increase

• 43% decrease

• 30% decrease

• 30% increase

Calculate the percent change from 50 to 75.

• 25%

• 50%

• 75%

• 100%

Jack deposited $1,400 in his bank account.  After 3 years, the account earned $294 in interest.  Find the simple interest rate.

• 5%

• 8%

• 7.25%

• 7%

Jerry borrowed $4,000 for 5 years at 6% simple interest rate. How much interest is that?

• $800

• $1,000

• $1,200

• $1,500

A house is listed for $230,000. After a year, it's marked down to $200,000. What was the percent change?

• About a 15% increase

• About a 115% decrease

• About a 13% decrease

• About a 15% decrease

Amanda invests $5,000 in a savings account with an annual interest rate of 2%. What will her total investment be worth after three years?

• $300

• $3,000

• $5,300

• $8,000

Ann puts $300 in a bank account earning 4% interest.  How much will she earn in interest in 1 year?

• 4

• 8

• 12

• 16

Sam borrowed $4,500 for 2 years and had to pay $630 simple interest at the end of that time. What rate of interest did he pay?

• 6%

• 7%

• 8%

• 9%

Tina invested $2,000 in a simple interest account and earned 8% rate for 5 years. What is the interest that she earned on the account?

• $160

• $800

• $80,000

• $16

Emilio borrows $1200 from a bank with 8.5% simple interest per year. How much will he have to pay back total in 2 years?

• $204

• $996

• $1,020

• $1,404