Question

The sum of Present ages of aunty and her daughter sana is 70 years. Six
years ago, the age of aunty was seven times the age of daughter sana . Find the present age of daughter and aunty .​

Answer 1

Answer:

Solve the pair of linear equations to get x and y

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Answer 2

Answer:

your answer ⬇️

Step-by-step explanation:

Answer

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

Therefore,

x+y=50

⇒x=50−y(1)

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

x+20=2(y+20)

⇒x−2y=20.(2)

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

Hence the present age of mother and her daughter is 40 and 10 years respectively.