Question

2/3 of a number is less than the original number by 10 . The original number is ?

Answer 1

Let the original number be x.
A/q
2/3 × x=x-10
2x/3=x-10
2x=x-10×3
2x-x=-30
x=-30

Answer 2

$\text{Let the original number be x }$

$\textbf{Given:}$

$x-\dfrac{2}{3}x=10$

$\textbf{To find:}$

$\text{The number x }$

$\textbf{Solution:}$

$\text{As per given data,}$

$x-\dfrac{2}{3}x=10$

$\implies\dfrac{3x-2x}{3}=10$

$\implies\dfrac{x}{3}=10$

$\implies\boxed{\bf\,x=30}$

$\therefore\textbf{The original number is 30}$