You went to your bank and got 5 rolls of pennies, 4 rolls of nickles, 3 rolls of dimes, 2 rolls of quarters, and 1 roll of half dollars. how much did you pay the bank ?

Pennies come in 50 cent rolls5 rolls = 5 * 0.50 = 2.50
nickels come in $ 2 rolls4 rolls = 4 * 2 = 8.00
dimes come in $ 5 rolls3 rolls = 3 * 5 = 15.00
quarters come in $ 10 rolls2 rolls = 20.00
half dollars come in $ 10 rolls1 * 10 = 10.00
u owe the bank : 2.50 + 8 + 15 + 20 + 10 = $ 55.50