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Lesson (A)
Lesson (B)
Lesson (C)
Find the total amount of a $1,500 loan borrowed at 9% for 2 years. $1,770
Randal borrowed $15,000 for 120 days at 14% to restock his office supply
store. Find the total amount to be repaid. $15,700
Find the interest earned on a $5,400 investment made at 12% for 5 years.
$3,240
Vera plans to invest $10,000 in the stock market. If the interest rate is
14%, what will be the total amount of her return after 4 years? $15,600
The interest paid on a $2,000 loan is $150. What percent is the interest rate? 7.5%
The interest paid on a $1,500 loan is $120. What percent is the interest rate? 8%
The interest paid on a $750 credit card balance is $145. What percent
is the interest rate? Hint: Round your answer to the nearest tenth. 19.3%
The interest paid on a $12,000 credit card balance is $575. What percent
is the interest rate? Hint: Round your answer to the nearest tenth. 4.8%
What is the principal investment if 9% interest earned on Sam's investment is
$450. The principal invested is $5,000.
What is the principal invested if 12% interest earned on George's credit card
is $375. The principal invested is $3,125.
Find the principal investment if 15% interest earned on an investment
is $1,500. The principal invested is $10,000.
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Math: Interest Problems - Lessons Answer Key
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