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January 29, 2015

January 29, 2015

Posted by **lauren** on Wednesday, April 4, 2012 at 8:41am.

- math -
**MathMate**, Wednesday, April 4, 2012 at 9:31amIf Sonya spend 3/8 of her money, she has (1-3/8)=5/8 left.

Use proportions:

5/8 : $15

1 : $x

Use cross multiplication to get:

$x=$15*1÷(5/8)

=$15*(8/5)

=$24

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