Question

A guy has a mix of one, five, and ten dollar bills. There are 27 bills in a jar for a total of $91. There are four times as many ones as tens. How many five dollar bills are in the jar?

Answer 1

There are 7 five dollar bills in the jar.

Explanation:

There are 7 because 16 + y + 4 = 27 → 20 + y = 27 → y = 7