The ratio of the present ages of a mother and her daughter is 7:3.When the mother was 26 years old the daughter was 6 years old. Find the present age of the mother (in years)

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Solution

The correct option is B
35

Let the present age of the mother be 7x years

Present age of the daughter = 3x years

Lets us say that the mother was 26 years old, K years ago.

7x =26 + k .(1)

3x = 6 + k .(2)

Subtracting (2) from (1) , we get

4x =20 ⇒ x=5

7x = 35

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The ratio of the present ages of a mother and her daughter is 7:3.When the mother was 26 years old the daughter was 6 years old. Find the present age of the mother (in years)

The correct option is B 35 Let the present age of the mother be 7x years Present age of the daughter = 3x years Lets us say that the mother was 26 years old, K years ago. 7x =26 + k .(1) 3x = 6 + k .(2) Subtracting (2) from (1) , we get 4x =20 ⇒ x=5 7x = 35

The correct option is B
35

Let the present age of the mother be 7x years

Present age of the daughter = 3x years

Lets us say that the mother was 26 years old, K years ago.

7x =26 + k .(1)

3x = 6 + k .(2)

Subtracting (2) from (1) , we get

4x =20 ⇒ x=5

7x = 35