If Jan can buy 10 copies of a certain book for $40, what is the unit rate for cost per copy? How much would it cost her to buy 20 copies at the same rate?

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asked Dec 3, 2022 49.1k views

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If Jan can buy 10 copies of a certain book for $40, what is the unit rate for cost per copy? How much would it cost her to buy 20 copies at the same rate?

Mathematics
high-school

Frizz asked

by Frizz

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1 Answer

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Answer:

Unit cost is $4 per copy and for 20 copies the charges are $80

Explanation:

Reza Keshavarz answered Dec 9, 2022

by Reza Keshavarz

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