Question

the sums of the ages of a mother and her daughter is 54 years .mother age was 26 year at the time of the birth of her daughter .then find there present ages​

Answer 1

Step-by-step explanation:

54 - 26 = 28

so daughter age = 28 divided by 2 = 14

and so mother = 40

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Answer 2

Let x and y be the present age of mother and her daughter.

Therefore,

x+y=50

⇒x=50−y

After 20 years, mother's age will be twice her daughter's age at the time.

x+20=2(y+20)

⇒x−2y=20

From equation (1)&(2), we have

50−y−2y=20

3y=30

⇒y=10

Substituting the value of y in equation (1), we get

x=50−10=40