## If Jan can buy 12 copies of a certain book for $40, what is the unit rate for cost per copy? How much would it cost her to buy 18 cop

Question

If Jan can buy 12 copies of a certain book for $40, what is the unit rate for cost per copy? How much

would it cost her to buy 18 copies at the same rate?

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Mathematics
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2021-07-22T14:21:30+00:00
2021-07-22T14:21:30+00:00 1 Answers
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## Answers ( )

Answer:12 copies=$40

1 copy=$40÷12=$3.33

18 copies=$3.33×18=$60