The present age of the father is three times the age of his son. If the age of the son after 10 years is equal to the age of the father before 20 years, find the present ages of father and the son.

Answer:

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Step-by-step explanation:

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Let’s assume s the present age of the son, and f the present age of the father.

The age of the son After 10 years is equal to the age of the father before 20 years:

Answer:Step-by-step explanation:s=10 and f=30