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 m
ust determine c, the amount of change in dollars he should give the customer. Which equation represents c?
1 answer:
9 x 0.75 = 6.75
20-6.75=c
c=13.25
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