Question 893053: average age of 6 children is 7 years .the average age increased by 5 years when the age of father is also included.find the age of father Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! average age of 6 children is 7 years .the average age increased by 5 years when the age of father is also included.find the age of father
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sum of ages of the 6 children:: 6*7 = 42
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Equation:
Let father's age be "x"::
(42+x)/7 = 7+5
42+x = 7*12
x = 42 yrs (father's age)
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Cheers,
Stan H.
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