Question

The sum of the present ages of mother and her daughter is 50 years. After
20 years, mother's age will be twice her daughter's age at that time. Find their
present ages.​

Answer 1

Answer:

let m + d= 50

then m+20=2(d+20)

= 2d+40

m-2d=20

also 2m +2d=100

adding

3m=120

m=40

and d= 10

Answer 2

Explanation:

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