When Mario was born his grandfather put $20,000 in a savings account that earns 4 2/5% compounded weekly.

a) How much will be in the account when Mario turns 25? b) How much interest will the account have earned?

7. (3 points) When Mario was born his grandfather put $20,000 in a savings account that earns 42% compounded weekly a) How much will be in the account when Mario turns 25? b) How much interest will the account have earned