Question 980810: Three Years ago. Robert was Three times as old as Jim. Today he is only twice as old as Jim. How old are they each? Answer by macston(5194) (Show Source):
You can put this solution on YOUR website! .
R=Robert's age; J=Jim's age
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R=2J
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R-3=3(J-3)
2J-3=3(J-3)
2J-3=3J-9
6=J ANSWER 1: Jim is 6 years old.
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R=2J=2(6)=12 ANSWER 2: Robert is 12 years old.
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CHECK:
Three Years ago. Robert was Three times as old as Jim.
R-3=3(J-3)
12-3=3(6-3)
9=9
