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:

Age of grandson is 9 years Age of grandfather is 72 years

Step-by-step explanation:

Let the age of grandson be x

according to the question ,

8x =x +63

8x- x=63

7x =63

x=63÷7

x= 9 ( age of grandson)

Age of grandfather = x +63 =9 +63=72

Hence ,the age of

grandson = 9 years

grandfather =72 years.

Answer 2

Answer:

Age of the grandson = 9 years

Age of the grandfather = 72 years.

Step-by-step explanation:

Let the age of grandson be x.

A/q,

Age of the grandfather=8x=x+63

⇒x+63=8x

⇒63=8x-x

⇒63=7x

⇒x=9 years

Now, age of the grandfather = 8x = x+63

⇒8*9=9+63

⇒72=72 years