Question

A number is 20 greater than the sum of its one-third and one-ninth. Find the number.

Answer 1

Answer:

36

Step-by-step explanation:

Let the number be x

given condition is

$\frac{1}{3} x + \frac{1}{9} x + 20 = x$

$3x + x + 180 = 9x$

$5x = 180 \\ x = 36$

Answer 2

Let the number be X .

Then, required equation

=> X - (X / 3 + X / 3) = 20

=> X - 2x/3 = 20

=> 3x - 2x / 3 = 20

=> X /3 = 20

=> X = 20 × 3

=> X = 60

Hence the required number is 60

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