01-12-2015
Mathematics

contestada

Three copies of a book cost $20. Use equivalent ratios to find the cost of nine copies of the book.

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beoshts beoshts

01-12-2015

i would say that it should cost 60 dollars

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WafaAngel WafaAngel

01-12-2015

The answer is $60 beacause 3x20=60

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