Question

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

Answer 1

let grandfather age be x
granddaughter be y
now

x=10y -------- 1 eq.

x=y+54 -------- 2 eq.

from both eq. 

10y=y+54

y=6

So,


grandfather age =60yrs and grand


daughter age is 6yrs

Answer 2

Answer:

grandfather age =60yrs and grand daughter age is 6yrs

Step-by-step explanation:

let grandfather age be x

granddaughter be y

now

x=10y

x=y+54

from both eq.

10y=y+54

y=6

so

grandfather age =60yrs and grand daughter age is 6yrs