Question 1052708
Freddy is 4 years older than 8 times his grandson's age. The sum of their ages is greater than 67.

What is the youngest age Freddy's grandson can be?

F=G*8+4
F+G>67
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Sub for F
8G + 4 + G > 67
9G > 63
G > 7
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In integers, he's at least 8.