SOLUTION: Twins diana and riana are each 6 years older then their youngest brother kyle. Togather, their ages total 21 years. How old is kyle?

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Question 1092894: Twins diana and riana are each 6 years older then their youngest brother kyle. Togather, their ages total 21 years. How old is kyle?
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
Let Kyle's age =
Diana and Riana's age is
Add up their ages




Kyle is 3
------------
check:





OK

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