When 18 is reduced by two-thirds of a number the result is 12 find the number

Mathematics · Middle School · Thu Feb 04 2021

Answered on

Let the number be x

According to question:

18 - (2/3)x = 12

Transposing (2/3)x to other side, we get

18 = 12 +  (2/3)x

Now, Transposing 12 to other side, we get

(2/3)x = 18 - 12

(2/3)x = 6

Now, Cross-Multiplying, we get

x = (6×3)/2

x = 9

 

So, the number is 9.

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