SOLUTION: Mrs. Witkowski borrows $900 for 3 months at 2.5% simple interest per month. How much interest will she pay? (Round your final answer to two decimal places.)

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Question 1194569: Mrs. Witkowski borrows $900 for 3 months at 2.5% simple interest per month. How much interest will she pay? (Round your final answer to two decimal places.)
Found 2 solutions by Boreal, MathTherapy:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
I=prt=$900*0.025/mo*3 mo=$67.50

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

Mrs. Witkowski borrows $900 for 3 months at 2.5% simple interest per month. How much interest will she pay? (Round your final answer to two decimal places.)
Is that interest rate really 2.5% per month, or is it 2.5% annually?