Question

A man is 3 times as old as his daughter. After 15 years he will be twice as old as his d
the daughter's present age.​

Answer 1

Answer:

let the daughter age be X years.

then man age will 3X years.

after 15 years,

man age = 3X+15

daughter age = X+15

according to question,

3X+15 = 2(X+15)

3X+15 = 2X+30

3X-2X =30-15

X = 15 ans.

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Answer 2

Answer:

man age - 60

daughter age- 30