Question

Last month, Sheldon earned $12.80 in interest on a $320 deposit into his bank account. If the interest earned is directly proportional to the amount deposited, how much interest can Sheldon expect next month if he deposits $830?

Answer 1

x = 32.20 !!

Explanation:

Basically what your going to do is 12.80/320 = x/320

320x = 830 * 12.80

Sooooo X=32.20

Hop this helped