SOLUTION: a man is 6 times old as his son. twenty years later he will be twice as old as his son find the man age when his son was born?

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Question 1174605: a man is 6 times old as his son. twenty years later he will be twice as old as his son find the man age when his son was born?

Found 3 solutions by Momena tahir, josgarithmetic, MathTherapy:
Answer by Momena tahir(1)   (Show Source):
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I don't know answer

Answer by josgarithmetic(39630)   (Show Source):
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A man is six times as old as his son. Twenty years later, he will be twice as old as his son. Find the man's age when his son was born.
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m, the man
s, the son

-

-----------------the son now

That means, the son was age 0, at five years in the past.

-------------------father now.

When son was born, was five years ago, so than, father was .

Answer by MathTherapy(10556)   (Show Source):
You can put this solution on YOUR website!

a man is 6 times old as his son. twenty years later he will be twice as old as his son find the man age when his son was born?

Let son's age be S Then father's is: 6S We then get: 6S + 20 = 2(S + 20) 6S + 20 = 2S + 40 6S - 2S = 40 - 20 4S = 20 Son, or That makes the father, 30. Difference in ages/Age of father when son was born: