Question

Three times my age increased by 45 is 81. How old am I?

Answer 1

Answer:

I think the answer is 12

Answer 2

$\displaystyle\huge\red{\underline{\underline{Solution}}}$

GIVEN

Three times my age increased by 45 is 81.

TO CALCULATE

The age of the concerned person

CALCULATION

Let P be the age of the concerned person

Then by the given condition

$\sf{ 3x + 45 = 81\: }$

$\implies \: \sf{ 3x = 81 - 45\: }$

$\implies \: \sf{ 3x = 36\: }$

$\implies \: \sf{ x =12\: }$

RESULT

Hence the age of the concerned person is 12 years

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