A. Subtracting Decimals

If a 10-foot piece of electrical tape has 0.037 feet cut from it, then what is the new length of the tape?

Melissa purchased $39.46 in groceries at a store. She gave the cashier a $50 bill. How much change should Melissa receive?

Find the difference 24.2 - 9 =

Find the difference 98.7 - 53.29 =

Katherine bought cosmetic items which cost $78.12 in total. She gave $100 to the shop keeper. How much does she receive as change?