A man is twice as old as his son. 20 years ago, the age of the man was 12 times the age of the son. Find their present ages.
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Answer:
Son's present age = x = 22 years
Father's present age = 2x = 2 × 22 = 44 years
Step-by-step explanation:
Let the son's age be x and the father's age be 2x
Before 20 years :
Son's age = x - 20
Father's age = 12 ( x - 20 ) = 12x - 240 = 2x - 20
12x - 240 = 2x - 20
12x - 2x = 240 - 20
10x = 220
x = 220/10
=> x = 22
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