Question

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

Answer 1

Let the number be x,


According to the question :


$( \frac{2}{3} \: \: of \: \: x) = x - 20 \\ \\ \\ => \frac{2x}{3} = x - 20 \\ \\ \\ = > 2x = 3x - 60 \\ \\ \\ => 60 = 3x - 2x \\ \\ \\ => 60 = x$


Hence, required number is 60

Answer 2

Let the number be x

2/3x= x-20

20=x-2/3x

1/3x =20

60= x

Hence,the number is 60