You pay for a $500 purchase using a credit card. The credit card company charges a 24% interest rate, compounded monthly, on the unpaid balance. How much will you owe after 3 months? (Assume you don't make any payments during this time.)
You invest $400 in an account that pays 3% interest, compounded annually. What will your balance be after 1 year?
You deposit $1000 in a bank account. The money earns 10% interest, compounded annually. After 2 years, what will your balance be?
Multiple unanswered questions deleted. Melody