Question

Glen bought a bike for $68.00. He paid with four $20 bills. How much change did Glen receive?

So 20 bills is $80.00 take 80-68= $18.00 dollars is this the correct answer.
Ms. Sue
80 - 68 is not 18.

Yolanda
Sorry $12.00
Ms. Sue
Yes. $12.00 is right.