Question

one third of a number is 45 less than its two third find the number

Answer 1

let the no. be x
ATQ,
x/3 = 2x/3 - 45
x/3-2x/3 = -45
-x/3 = -45
-x = -45×3
-x = -135
x = 135
therefore, the no. is 135