andrea51005 andrea51005

01-02-2017
Mathematics

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What number is 15%of 40? Write a proportion and solve

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ShadowedAce ShadowedAce

01-02-2017

so 15% is over 100, and you want to find number over 40,

15/100=x/40 now cross multiply,
15(40)=100x simplify,
600=100x divide both side by 100,
x= 6

therefore, 15 % of 40 is 6.

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