SOLUTION: 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 gre

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Question 281277: 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%.

Answer by rfer(16322)   (Show Source): You can put this solution on YOUR website!
A=P(1+rt)
--------------
a=8300(1+.15*3)
a=8300*1.45
a=$12,035

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