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Mathematics, 04.09.2020 21:01 nails4life324

Jimmy is selling used books at a yard sale. A customer buys 9 books at a cost of $0.75 each and pays with a $20.00 bill. Jimmy must determine c, the amount of change in dollars he should give the customer. Which equation represents
c?
20-0.75c=9
20-0.75=9c
0.75(9) + C = 20
0.75C+9= 20

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