SOLUTION: Nellie is 8 years older than Cristal. Geoffrey is 3 times as old as Cristal. Paris is 5 years younger than Cristal. The combined age of the four is 63. How old is each student

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Question 1166260: Nellie is 8 years older than Cristal. Geoffrey is 3 times as old as Cristal. Paris is 5 years younger than Cristal. The combined age of the four is 63. How old is each student
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
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Nellie is 8 years older than Cristal. Geoffrey is 3 times as old as Cristal. Paris is 5 years younger than Cristal. The combined age of the four is 63
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See how everyone's age is related to Cristal?
Let c be Cristal's age. 
Nellie            c+8
Cristal           c
Geoffrey         3c
Paris             c-5
SUM                63

You should obviously know what to do with that.