Question

help please with 3 questions i will fan and give a medal please i really need help!!

Answer 1

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 2

the amount that katie will gain at the end of a year is
\[1200 \times \frac{ 8.5 }{ 100}\]
which is
102
then
102 x no.of years = 612
no.of years = 612/102
= 6 years

Answer 3

6 years is the answer because u need to divide after u multiply and get 612 y.