SOLUTION: Freddie is four years older than eight times his grandson’s age. The sum of their ages is greater than 67. What is the youngest age Freddy’s grandson can be?

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Question 1146152: Freddie is four years older than eight times his grandson’s age. The sum of their ages is greater than 67. What is the youngest age Freddy’s grandson can be?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Freddi, f
Grandson, g
system%28f%2B4=8g%2Cf%2Bg%3E67%29

f=8g-4
-
%288g-4%29%2Bg%3E67
9g-4%3E67
9g%3E71
g%3E71%2F9

In whole numbers, g should be at least 8 years.