Question

a grandfather is 8times as old as his grandson also he us 63 years older than him find the present age​

Answer 1

Answer:

Let age of grandfather be x

Age of grandson be y

$x = 8y$

$x = 63 + y$

Substituting x as 8y

$8y = 63 + y$

$7y = 63$

$y = \frac{63}{7}$

$y = 9$

Age of grandson = 9

Age of grandfather = 72

Answer 2

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