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31-10-2016
Mathematics

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Sheila bought 10 1⁄2 oz of almonds for $3.36. how much did the almonds cost per ounce?

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abeckem02 abeckem02

03-11-2016

Cost per ounce means you take the cost and divide it by the cost:

3.36 / (21/2)

division of fractions changes to the multiplication of the reciprocal:

3.36 * (2 / 21)

3.36 and has 21 as a factor, so let's cancel it:

0.16 * 2

$0.32 per ounce

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