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Solve the following problems by writing a proportion. 8 is 40% of what number?

User Timothee
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1 Answer

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Let x be the number

40% of x = 8


(40)/(100)* x=8
(40x)/(100)=8

Multiply both-side of the equation by 100


40x\text{ = 800}

Divide both-side of the equation by 40


x=20

Therefore, 8 is 40% of 20

User Adarsh Mohan
by
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