Question

A man says "I thinking of a number . When I divide it by 3 and then add 5, my answer is twice the number I thought of ." Find the number

Answer 1

Let the no. be x.

according to the question,

x/3+5=2x

5=2x-x/3

5=6x-x/3 (LCM)

5=5x/3

15=5x

Therefore,

x=15/5

x=3

You may also verify your answer

3÷3= 1

and 1 +5 =6 (Twice the no. 3)

Hope it helps

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