Question

The sum of the ages of a daughter and mother is 56 years; after four years the age of the mother will be three times that of the daughter. What is the age of the daughter and the mother, respectively?

12 years, 41 years
12 years, 30 years
11 years, 34 years
12 years, 44 years
21 years, 42 years

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Answer 1

Answer:

ok so I can not answer why

Step-by-step explanation:

Let daughter's age be x

years.

Then, mother's age = (56 −x

) years

(56−x)+4=3(x+4)⇒60−x=3x+12⇒4x=48⇒x=12

∴ Daughter's age = 12 years

And the mother's age = (56 −

12) = 44 years

B