T. Money Sense
Yolanda solved this problem, but her brother said that she was wrong.
Problem: Sam bought a notepad for 56¢ at the school store. The clerk gave Sam 39¢ in change. How much money did Sam give the clerk?
Yolanda's solution:
Is Yolanda's answer reasonable? If not, solve the problem for Yolanda. If it is reasonable, tell how you know.