Solve the Problem. -A Bank Teller Has 56 $20 and $10 Bills in $10

Multiple Choice

Solve the problem.
-A bank teller has 56 $20 and $10 bills in her cash drawer. The value of the bills is $750. How many $20 bills are there?

A) 19 $20 bills
B) 37 $20 bills
C) 21 $20 bills
D) 35 $20 bills