What is the total interest made after 4 years on a simple interest loan that accumulates 13% each year and has original amount was $1350.

What is the total interest made after 4 years on a simple interest loan that accumulates 13% each year and has original amount was $1350.

Money is deposited in a bank account at 7% interest per year, compounded bimonthly. If no money is deposited into or withdrawn from the account, then how long will it take for the money to double?

Money is deposited in a bank account at 7% interest per year, compounded bimonthly. If no money is deposited into or withdrawn from the account, then how long will it take for the money to double?