Hi,

Let x represent Dana's age  ⇒ Renee is 2x

2x - 4 = 3(x-4)

 2x - 4 = 3x-12

     8 = x, Dana's age. Renee is 16  

 

CHECKING our answer*** 4 yrs ago

 12 = 3*4

Wish You the Best in your Studies.

 

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