Kenneth S. answered • 11/11/17

Tutor

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Algebra II EXPERT will help you survive & prosper

I assume that the problem is intended to work with only $1 and $5 bills.

Let x= number of $1 bills, y = # of $5.

x + y = 16

x+5y = 40

solve, perhaps by substitution; check that both x & y are positive integers.