SOLUTION: Diane is 25 years older than her son, craig . the sum of their ages is 105. how old are diane and craig

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Question 1072048: Diane is 25 years older than her son, craig . the sum of their ages is 105. how old are diane and craig
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
D=25%2BC
D%2BC=105
Substituting,
%2825%2BC%29%2BC=105
2C%2B25=105
2C=80
Now solve for C then use either equation to solve for D.