Gabby went to the store.  She bought an apple for $.75 and some cheese and crackers for $2.45.  She paid for her snack with a $5.00.  How much change did the cashier give her back?

Mackenzie needed some school supplies.  She bought two packages of pencils for $3.25 each and three pads of paper for $1.45 each.  She paid for them with a $20.00.  How much change did the cashier give her back?

Liam counted the money in his piggy bank.  He had 24 quarters, 32 dimes, 18 nickels and 257 pennies.  He wanted to by a Star Wars AT-DP micro fighter for $11.95.  Could he do that?  Show how you know.