Question

if 2/3 of a numberis 20 less than the original number ,then find the number

Answer 1

let x be the required number
by given condition
$\frac{2}{3} x = x - 20$
2x=3(x-20)
2x=3x-60
3x-2x=60
x=60


so the required number is 60


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Answer 2

Let the number be x.

Given that 2/3 of a number is less than 20 than the original number.

$x - \frac{2}{3} * x = 20$

$\frac{3x - 2x}{3} = 20$

$\frac{x}{3} = 20$

x = 20 * 3

x = 60.

Therefore the number = 60.


Verification:

60 - 2/3 * 60 = 20

60 - 2 * 20 = 20

60 - 40 = 20

20 = 20.



Hope this helps!