bellabunnytail bellabunnytail

16-02-2018
Mathematics

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Carla purchases for books for $10 Amy purchase nine books how much did Amy spend if her books cost the same as Carla’s

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cdw2014 cdw2014

16-02-2018

Let's find out the cost of one book. Carla bought 4 for $10, so each book costs:

[tex] \frac{10}{4} [/tex]=$2.50

Amy bought 9 books, so to find out how much she spent, multiply 9 by the price of $2.50.

9×2.50 = $22.50

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