Question

2/3 of a number is less than original number by 20.the no is

Answer 1

let the no. be x then 2/3 of x +20=x
2x/3+20=x
2x/3+20×3/1×3=x
2x/3+60/3=x
2x+60=3×x
2x+60=3x
60=3x-2x
60=x
Your answer is 60