itanio413 itanio413

01-04-2020
Mathematics

contestada

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?

Respuesta :

shamarsimpson11 shamarsimpson11

01-04-2020

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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