Question

a number when added to its half gives 72 .find the fraction

Answer 1

let the no. x
ATQ,
x+x/2=72
3x+x /2=72
4x/2=72
4x=72×2
x=144/4=36


hope it helps you

Answer 2

let the ratio be 2:1=72

let the half number be "x"

2x+1x=72

3x=72

x=72/3

x=24

the number =2*24=48

the number is 48 & the half of it is 24

48+24=72, hence proved the answer is correct.

^_^