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

gues?

Answer 2

c

Answer 3

1020

Answer 4

ok leme see

Answer 5

you need to make the % into a .

Answer 6

(si)=ptr/100
si = simple interest
p=1200
r=8.5
(si)=ptr/100
612=1200*t*8.5/100
t=((612*100)/(1200*8.5))

Answer 7

ok

Answer 8

get it?

Answer 9

ok

Answer 10

medal pplease

Answer 11

but ther is not 60

Answer 12

i know 6 go into 60 10 times

Answer 13

lee check me work

Answer 14

i know 6 go into 60 10 times

Answer 15

uh huh

Answer 16

\[1200(1.085)^y=1812\] solve for \(y\)