SOLUTION: Please help.. I am having a hard time. I do not know how to work this out. Please it is to be done by factoring. Please.. Amount of an investment. The amount of an investment of

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Question 380810: Please help.. I am having a hard time. I do not know how to work this out. Please it is to be done by factoring. Please..
Amount of an investment. 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 rate of 15%.

I hope someone can help me.
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
A=P(1+rt)
A=8300(1+0.15*3)
A=8300*1.45
A=$12,035