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After 1 year, the father's age will be 4 times the age of his son. After 5 years, the father's age will be three times the age of his son. Find the age of the father and his son.

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Solution

After1year,thefather′sagewillbe4timestheageofhisson.After5years,thefather′sagewillbethreetimestheageofhisson.Findtheageofthefatherandhisson.

Solution

Father′sageis:31
Boy′sageis:7
Solution steps
Translate the problem into an equation:x+1=4(y+1),x+5=3(y+5)
x+1=4(y+1),x+5=3(y+5):x=31,y=7
Father′sageis:31
Boy′sageis:7

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