Question

Jenny wants to buy an MP3 player that costs $30.98. How much change does she receive if she gives the cashier $40? PLEASE SHOW ALL WORK!!

Answer 1

40.00

-30.98

————-

9.02

You have to do some trades or borrowing. But think about it this way:

You need 2 cents to make it to $31. Then it’s $9 to get to 40.