SOLUTION: "bob is 30 years older than sue. in 17 years. bob will be twice sue's age. how old is sue now?"

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Question 1016645: "bob is 30 years older than sue. in 17 years. bob will be twice sue's age. how old is sue now?"
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Sue's age=x
Bob is x+30
in 17 years, Sue will be x+17, and that is (1/2)(x+47) for bog
x+17=(1/2)(x+47)
2(x+17)=x+47
2x+34=x+47
x=13
x+30=43
in 17 years, 30 and 60 respectively.