Amount of an Investment. The amount of an ivestment of P dollarsfor T years at simple intrest rate r is given by

Question

A=P+PrT

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

b)find A if $8300is invested for 3 yrs at simple intrest rate of 5%

Answer 1

A=P+PrT
A = P(1 + rt)

in b) sub in 8300 for P, 3 for t, and .05 for r
A = 8300(1 + 3(.05))
= ....

Answer 2

a) A = P(1 + r T)

b) They are asking you to compute
8300*[1 + (0.05*3)] = 8300*1.15
"*" means the same at "x"

Answer 3

Is this the same as PV formaula?

Answer 4

No. That is Boyle's gas law.