The ratio of present ages of mother and daughter is 7:3. The difference between their ages is 20 years. Find their present ages.
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let,
the present age of mother be 7x.
the present age of daughter be 3x.
According to question,
7x - 3x = 20
⟹4x= 20
⟹x = 5
∴ x = 5
∴ The present age of mother = 7 × 5
= 35 years
The present age of daughter = 3 × 5
= 15 years.
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