Scott made a casserole for dinner. He gave equal portions of the casserole to 3 friends. What diagram could Scott use to find the fraction of the whole casserole that each friend got?

Problem 3 a bank charges a service fee of $7.50 per month for a checking account. a bank account has $85.00. if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative