Hank earns $20 for each lawn he mows. During the month of October he mows 15 lawns. He puts 75% of his earnings in a savings account. What will his total savings account be if he keeps the money in the bank for 7 years at 5% simple interest?
A. How much money does Hank earn in October? (Show all work. Label your answer.
B. How much money does Hank put in the bank? (Show all work. Label your answer.
C. What will the total be in his bank account after 7 years? (Show all work. Label your answer.
D. If he put his money in a different bank for 12 years at 3% simple interest, would his total be more or less than after 7 years at 5% simple interest? By how much? (Show all work. Label your answers.