SOLUTION: jack is twice as old as jill. in two years, jack will be 4 times as old as jill was 9 years ago. how old are they now?

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Question 441624: jack is twice as old as jill. in two years, jack will be 4 times as old as jill was 9 years ago. how old are they now?
Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
k=2l
k+2=4*(l-9)