ethelmcdonald1 ethelmcdonald1

15-01-2017
Mathematics

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When solving proportions we set the cross products equal and then we do what

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justintmckinley justintmckinley

15-01-2017

multiply across for example 3/20= x/100

3*100=300
x*20=20x

then divide by 20 on each side
300/20=15

15=x

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maddayy maddayy

15-01-2017

We cross multiply and then divide

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