Posted by **Roger** on Wednesday, March 4, 2009 at 3:26pm.

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%

- Math -
**Sarah**, Wednesday, March 4, 2009 at 3:30pm
a) A=P(1+rt)

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

- Math -
**Reiny**, Wednesday, March 4, 2009 at 3:40pm
see

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

for exactly the same question.

- Math -
**JASMIN**, Wednesday, March 4, 2009 at 4:01pm
Just a question? Can't two people have the same question? There is hundreds of people on here... Just asking...

- Math -
**Reiny**, Wednesday, March 4, 2009 at 4:50pm
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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