# Math

The amount of an investment of P dollars for t years at simple interest rate r is given by A= P+Prt

a) Rewrite this formula by factoring out the greatest common factor on the right-hand side.

b) Find A if \$8300 is invested for 3 years at a simple interest of 15%

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1. a) A=P(1+rt)

b) A=8300*(1+3(.15))

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2. see
http://www.jiskha.com/display.cgi?id=1236188117

for exactly the same question.

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3. Just a question? Can't two people have the same question? There is hundreds of people on here... Just asking...

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4. yes, of course that can happen.

But instead of typing the solution all over again, doesn't it make sense to direct a student to the other post, when that post contains the solution?

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