Question

what number added by 20% of itself becomes 300 ?​

Answer 1

Answer:

250

Step-by-step explanation:

let the number be x

20%of x=x*20/100

             =x*1/5

According to the problem'

x+x/5=300

6x/5=300

x=5*300/6

x=5*50

x=250

Answer 2

Answer:

250

Step-by-step explanation:

Let the number be x.

x + 20% of x = 300

$x \: + \frac{20}{100} x \: = \: 300$

$x \: + \: \frac{1}{5} x \: = \: 300$

$\frac{5x \: + \: x}{5} = 300$

$\frac{6x}{5} = 300$

$x = \frac{300 \times 5}{6}$

$x = 50 \times 5$

$x = 250$

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