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 greate

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Question 202970: 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 Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Given:
A+=+P%2BPrt
a) Rewrite by factoring the GCF (that's P).
A+=+P%281%2Brt%29
b) Find A if P = $8300, r = 15% (that's 0.15 in decimal) and t = 3 years.
A+=+8300%281%2B0.15%2A3%29 Evaluate.
A+=+8300%281.45%29
A+=+12035
A = $12,035.00