Harvey has some $1 bills and $5 bills. In all, he has 6 bills worth $22. Write a system of equations to determine how many bills of each denomination Harvey has.
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Let $1 bills be x
Let $5 bills be y
Therefore, the system of equations is
x+y=6
1x+5y=22
Let $5 bills be y
Therefore, the system of equations is
x+y=6
1x+5y=22
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