chinestergordo chinestergordo

26-01-2017
Mathematics

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Solve the proportional equation 2/3 = x/15

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texaschic101 texaschic101

26-01-2017

2 x
----- = ------
3 15

cross multiply
(3)(x) = (15)(2)
3x = 30
x = 30/3
x = 10

so 2/3 = 10/15.......notice how these are equivalent fractions....that is because proportions are nothing but equivalent fractions

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