Question

the sum of present age of mother and daughter is 40 years. what will be the sum after 5 years?​

Answer 1

50 years.

EXPLANATION IS IN THE PICTURE.

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Answer 2

The sum of age of mother and daughter after 5 years = 50 years

Step-by-step explanation:

Let the present age of mother = x years and

The present age of daughter = y years

To find, the sum of age of mother and daughter after 5 years = ?

According to question,

The sum of present age of mother and daughter = 40 years

x + y = 40                               .........(1)

After 5 years,

The age of mother = (x + 5) years and

The age of daughter = (y + 5) year

∴ The sum of age of mother and daughter after 5 years

= (x + 5) +  (y + 5)

= (x + y) + 10

Using equation (1), we get

= 40 + 10

= 50 years

Thus, the sum of age of mother and daughter after 5 years = 50 years