finite math

how do I work this problem simple intrest

I=Prt
P= $54 r=4% and t=9months

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asked by carol
  1. I = 54 * 0.04 * 0.75

  2. I did this and got 1.62 am I suppose to just end there or divide by another

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    posted by carol
  3. That's the problem. That's the end of it. You've multiplied P*r*t, what else is left to do?

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  4. The interest is $1.62.

  5. I don't mean to be difficult that's what I had also the computer kept saying I was wrong. Sorry for asking

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    posted by carol
  6. I understand the formula given is to calculate interest, but does the question ask to calculate interest or amount owing?

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