# math

Question 1
Find the interest. All rates are annual interest rates.

Principal \$400
Rate 5%
Time 1 year
Incorrect answer D. \$200Find the interest. All rates are annual interest rates.
Principal \$1,000
Rate 8.5%
Time 3 years

Find the interest. All rates are annual interest rates.
Principal \$200
Rate 9%
Time one-half year

Incorrect answer D. \$45Find the interest. All rates are annual interest rates.
Principal \$20,000
Rate 12%
Time 3 months

Incorrect answer D. \$7,200You borrow \$1,200 at a rate of 4.5% for a period of 6 months. How much will you repay at the end of 6 months?

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1. And what is the question with this?

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