average age of 6 children is 7 years the average age increase to 5 years when the age of the father is also included find the age of father
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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)
therefore the answer is 42 years
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
------
sum of ages of the 6 children:: 6*7 = 42
----
Equation:
Let father's age be "x"::
(42+x)/7 = 7+5
42+x = 7*12
x = 42 yrs (father's age)
therefore the answer is 42 years
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