# math115

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Steve was charged \$75.00 interest for 1 month on a \$3,000 credit card balance. What was the monthly interest rate? Give you answer as a percentage, round to the nearest tenth of a percent. 2.5%
2.If \$5,600 is deposited into an account paying 5.325% interest compounded annually (at the end of each year), how much money is in the account after 9 years? Round your answer to the nearest cent.8932.46
3.
11% of what number is 132? 14.52

• math115 -

#1 & 2 are correct

#3 :

"11% of what number is 132?"
.11x = 132
x = 132/.11 = 1200

check: 11% of 1200 = .11(1200) = 132

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