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A number decreased by 15 and the new so obtained is multiplied by 3 the result is 81.Find the number

Asked by divyashybu609 19th February 2020, 4:48 PM
Answered by Expert
Answer:
Let the number be x.
A number decreased by 15 then it is x - 15
The new so obtained is multiplied by 3 then it is 3(x - 15)
3(x - 15) = 81
x - 15 = 27
x = 42
The number is 42.
Answered by Expert 20th February 2020, 10:15 AM
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