SOLUTION: 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
now I
Algebra ->
Customizable Word Problem Solvers
-> Age
-> SOLUTION: 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
now I
Log On
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
now I don't know what to do Found 2 solutions by Alan3354, stanbon:Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! 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
--------
Sub for F
8G + 4 + G > 67
9G > 63
G > 7
--------------
In integers, he's at least 8.
You can put this solution on YOUR website! 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
now I don't know what to do
Substitute for "F" and solve for "G"
8G + 4 + G > 67
9G > 63
G > 7
----
Ans G = 8 yrs
-------------
Cheers,
Stan H.
------------
(