# A store manager finds a stack of money totaling $1290--made up of twenties and fifties. There are 42 bills in all. How many twenty dollar bills are there?

##### 1 Answer

Oct 17, 2015

Twenties = 27 bills

Fifties = 15 bills

#### Explanation:

twenties = a

fifties = b

Multiplying (2) by 20:

Subtracting (1) - (2)