Question

2by3 of a number is 20 less than the original number. Find the number

Answer 1

Answer:

let 'y' be the original number

then according to the question,

2/3 × y = y - 20

2y = 3×(y-20)

2y = 3y - 60

2y - 3y = -60

-y = -60

y = 60

the original number = 60

hope this helps.