SOLUTION: the total of three sisters' ages is 47. Jessica is half as old as Sydney and 3 years younger than Ruby. What is the age of each of the sisters?

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Question 390401: the total of three sisters' ages is 47. Jessica is half as old as Sydney and 3 years younger than Ruby. What is the age of each of the sisters?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let the sisters ages be j, s, and r
given:
j+%2B+s+%2B+r+=+47
j+=+%281%2F2%29%2As
j+=+r+-+3
This is 3 equations and 3 unknowns, so it's solvable