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Dontrelle checked out 4 library books, which have now been overdue for 12 days. His total fine so far is $9.60 . which of these equations can be used to determine the amount the library charges as a fine per day per overdue book?

A. 4f=$9.60/4

B. 4f=$9.60

C. 12f=$9.60/4

D. 12f=$9.60

1 Answer

6 votes
$9.60=12f*4
Divide by 4 on each side
$9.60/4=12f*4/4
$9.60/4=12f
Or
12f=$9.60/4
Answer: c
User Garry Polley
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