Question

I= $54,p= $800 ,r = 4.5%

Answer 1

I = PRT
I = 54
P = 800
R = 4.5%.....0.045...u have to turn it to a decimal

now we sub
54 = (800)(0.045)(T)
54 = 36T
54/36 = T
1.5 = T <=== or 1 1/2 years