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24-09-2016
Mathematics

contestada

I have a table showing proportional relationships and I don't know how to find ?

x 4 10 12
y 6 15 ?

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=?

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