SOLUTION: The average of 5 children 8years.if the age of father be included the age is increased by 7years.how old is father?

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Question 1083910: The average of 5 children 8years.if the age of father be included the age is increased by 7years.how old is father?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
d, age of Father

%285%2A8%2Bd%29%2F%285%2B1%29=8%2B7
-

40%2Bd=6%2A15
d=6%2A15-40
highlight%28d=50%29