Question

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

Answer 1

Answer:

let her age be x

grandpa 's age = 10x+54

Step-by-step explanation:

x=10x-54

x+54=10x

54=10x-x

54=9x

54/9=x

6=x

Her age is 6

grandpa's age is 6x10=60

Answer 2

Answer:

The grandfather is 60 years old and grand-daughter is 6 years old.

Step-by-step explanation:

Given :

Grandfather is = 10 times older than his grand-daughter

He is also = 54 years older than her

To find :

Their present ages

Solution :

Let the ages be -

Grand-daughter as y

Grandfather as 10y

According to the question, grandfather is also 54 years older than daughter.

⟶y=6

Grand-daughter is 6 years old .

★ Grandfather's age -

Grandfather is 60 years old.

\therefore∴ The grandfather is 60 years old and grand-daughter is 6 years old.