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24-09-2016
Mathematics

contestada

I HAVE A TABLE SHOWING PROPORTIONAL RELATIONSHIPS AND IT'S ASKING FOR THE MISSING Y-VALUE.

X 4 10 12
Y 6 15 ?

I DON'T KNOW HOW TO FIND ?

Respuesta :

24-09-2016

The ratio here from X/Y=4/6=10/15=12/?

We can see that the ratio is ⅔

Now let's see, ⅔=12/?
cross multiply to get 36=2?
now divide both sides by 2 to get 18=?

Answer Link

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