Question

A grandfather is ten times older than his granddaughter . He is also 54 years older than her. Find their present ages?

Answer 1

take granddaughter's age as x.
According to given conditions,
54 + x = 10x
10x-x= 54
9x=54
x=54/9
x=6…

So granddaughter is 6 yrs old and granpa is 60 years old…

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Answer 2

Let daughter's present age be x year

Grandfather's age 10x


$10x = x + 54$
$10x - x = 54$
$9x = 54$
$x = \frac{54}{9}$
$x = 6$
Daughter's present age is 6 years
Grandfather's present age is 10 x 6
=60 years