SOLUTION: System of two equations Paula is 12 yrs older than her brother bob. Four yrs from now bob will be two thirds as old as Paula. How old are they ? Help plz :\

Question 901630: System of two equations
Paula is 12 yrs older than her brother bob. Four yrs from now bob will be two thirds as old as Paula. How old are they ? Help plz :\
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Paula is 12 yrs older than her brother bob. Four yrs from now bob will be two thirds as old as Paula. How old are they ?
***
let x=Bob's age
x+12=Paula's age
..
4 yrs from now:
x+4=Bob's age
x+12+4=x+16=Paula's age
x+4=(2/3)*(x+16)
lcd:3
3x+12=2x+32
x=20
x+12=32
Bob's age=20
Paula's age=32
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