Question

2. Find the unknown number, when one-third of the number is added to 9 the sum
becomes 19.
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Answer 1

$\bf{Let \: the \: number \: be \: = \: x}$

$\frac{x}{3} + 9 = 19$

$\frac{x}{3} = 19 - 9$

$\frac{x}{3} = 10$

$x = 10 \times 3$

$x = 30$

Answer 2

Question 2. : Find the unknown number, when one-third of the number is added to 9 the sum

Find the unknown number, when one-third of the number is added to 9 the sumbecomes 19.

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Answer → x = 30

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SOLUTION :

Let the number be ‘x’

1/3 x + 9 = 19

1/3 x = 19-9

1/3 x = 10

x = 10 × 3

x = 30

Hence, the unknown number is 30.

Thanks.