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RATIO PROBLEM

+6 votes
126 views
asked Dec 2, 2015 in Math by jazzlinny (38,050 points)
Ok if the ratio is 10 over 0.32, which equals to BLANK over 1, what is blank?


1 Answer

+2 votes
answered Dec 3, 2015 by zippy (22,350 points)
selected Dec 28, 2015 by jazzlinny
 
Best answer
10         ?
----    =  -----

0.32        1

 

You first multiply both sides by .032

10 = 0.32 ?  / 1

This simplifies to

10 = 0.32 ?

divide both sides by 0.32

? = 10/0.32 = 31.25

Main trick is that you can do anything you want to an equation if you do the same operation on the other side of the equals sign.
commented Dec 28, 2015 by jazzlinny (38,050 points)

Thx!

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