Question 39767
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There's some kind of formula for this:

Simple Interest = (Money at first x interest x time)/100

In our case,

Money at first = 1458
Interest = 12.5
Time = 1

Simple Interest = (1458 x 12.5 x 1)/100 = $182.25

Your question was:

When you showed the answer for 180.79 was that just for one month and should it been multiplied by 12 for a year?

Ans: 
This will depend on your interest.
If your interest was 12.5% per month, then the simple interest would be multiplied by 12, in order to get the simple interest for the year.
If your interest was 12.5% per year or per annum (same thing!), then the simple interest would not need to be multiplied by 12 as it was already for the 12 months/1 year.

Does that help?

Get back to me if it doesn't: atif.muhammad@gmail.com

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