SOLUTION: The sum of the ages of Cody and Julia is 97 years. 6 years ago, Cody's age was 4 times Julia's age. How old is Cody now?

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Question 972049: The sum of the ages of Cody and Julia is 97 years. 6 years ago, Cody's age was 4 times Julia's age. How old is Cody now?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
cody=c julia=j ages now
c+j=97
(c-6)=4(j-6)
c-6=4j-24
c-4j=-18
-c-j=-97 multiplying the first equation by minus 1.
adding
-5j=-115
divide by minus 5 both sides
j=23
c=74
6years ago
j=17
c=68 (4 times 17)