Question

1/3 of a number is smaller than its 2/3 by 7. Find the number

Answer 1

x=21
here is the answer
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Answer 2

According to given sum,

let the number be x
then

1/3×x=2/3×x-7

x/3=2x/3-7

x/3=(2x-21)/3

x=2x-21

x=21

x=21

Hence the number is 21.

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