Question

A number when added to its half, gives 72. Find the number.
answer in detail.​

Answer 1

Answer:

let theno be x

A.T.Q

x+1/2x=72

2x+x/2=72

3x=144

x=144/3

x=48.

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Answer 2

Answer:

let the no. be x

then it's half = $\frac{x}{2}$

Given

$x \: + \frac{x}{2} \: = \: 72$

$\frac{2x+x}{2} \: = \: 72$

$2x\: +\: x \: = 144$

$3x\: = 144$

$x\: = \frac{144}{3}$

$x\: = \: 48$