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Variables and Expressions

If the sum of...

Question

If the sum of a number and its one third is 16, find the number.

A

8

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B

10

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C

12

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D

14

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Solution

The correct option is C 12
Let the number = x
One third of the number = $\frac{x}{3}$
x + $\frac{x}{3}$ = 16
$\frac{4 x}{3}$ = 16
4x = 48
x = 12
Hence, the number is 12.

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