SOLUTION: the present age of a father is equal to the sum of ages of his 5 children. 12 years hence the sum of ages of his children will be twice the age of their father. find the present ag
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Question 744574: the present age of a father is equal to the sum of ages of his 5 children. 12 years hence the sum of ages of his children will be twice the age of their father. find the present age of the father.
Found 2 solutions by lynnlo, ankor@dixie-net.com:
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
the present age of a father is equal to the sum of ages of his 5 children.
f = a+b+c+d+e
:
12 years hence the sum of ages of his children will be twice the age of their father.
a+12 + b+12 + c+12 + d+12 + e+12 = 2(f+12)
a+b+c+d+e + 60 = 2f + 24
Replace a+b+c+d+e with f
f + 60 = 2f + 24
60 - 24 = 2f - f
36 = f
:
find the present age of the father. He's 36 yrs old
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