Now:
Dana ---- x
Renee --- 2x
4 years ago:
Dana = x-4
Renee = 2x-4
"Four years ago Renee was three times as old as Dana" ---> 2x-4 = 2(x-4)
solve for x, very straight-forward
Renee is twice as old as Dana. Four years ago Renee was three times as old as Dana. How old are Renee and Dana now?
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