$3,577,600$ and $66,368,000$
Work Step by Step
a) For $\$ 10$ bills, we have: 10X b) For $\$ 20$ bills, we have: 3,577,600-X and 20(3,577,600-X) Total : $3,577,600-X+X=3,577,600$ $20(3,577,600-X)+10X=66,368,000$
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