Question

Next year, Dana will be twice as old as her sister will be. Four years ago, Dana was three
times as old as her sister was. How old is each now?​

Answer 1

Answer:2d-4 = 3d-12

d = 8 (Dana's age now)

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Solve for "r":

r = 2d

r = 2*8 = 16 (Renee's age now)

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