the age of father is 40 years while his son age is 10 years. after how many years will age of his father be twice the son age.
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Answer:
after 20 years father will be twice of its son age
Step-by-step explanation:
father age = 40 years
son age = 10 years
after few years
father age = 40 + x
son age = 10 + x
father age = twice of son age
40 + x = 2( 10 + x)
40 + x = 20 + 2x
40 - 20 = 2x - x
20 = x
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