Question

Katie invested $1200 at 8.5% interest. She earned $612 interest at the end of y years.

What is the value of y?

A.
18

B.
12

C.
6

D.
3

Answer 1

@AlexandervonHumboldt2

Answer 2

i think it is 12

Answer 3

@AlexandervonHumboldt2

Answer 4

@AlexandervonHumboldt2

plz help

Answer 5

(si)=ptr/100

si = simple interest
612=si
p=1200
r=8.5
(si)=ptr/100
612=1200*t*8.5/100
t=((612*100)/(1200*8.5)
now solve the last equation and get the answer.