Question

Sonus mother has 30 year older than sonu. after 5 years mothers age was 3 times sonus age find the present age of sonu and her mother

Answer 1

Answer:

Sonu's mother=40 year and Sonu=10 year

Given:

Sonu's mother is 30 years older than sonu. After 5 years sonu's mother be 3 times sonu's age

To find:

Their present ages

Solution:-

Let sonu's mother age be x

Then sonu's age be x-30

After 5 years mother's age will be 3 times sonu's age

So According to the question

x+5=3(x-30+5)

x+5=3(x-25)

x+5=3x-75

x-3x=-75-5

-2x=-80

x=40

-----------------

Sonu's mother age=40 year

And sonu's age=40-30

=10 year

Answer 2

Step-by-step explanation:

Let Sonu present age is x year's

then his mother age is [ x + 30 ] year's

According to question,

after Five year's mother age is

3 times sonu's age

So,

x + 30 + 5 = 3 ( x + 5 )

x + 35 = 3x + 15

x - 3x = 15 - 35

-2x = -20

2x = 20

x = 10

therefore sonu present age is

x = 10 year's.

and his mother age is

[ x + 30 ] = 10 + 30 = 40 year's.