SOLUTION: The sum of the ages of Y, R, and V is 42 years. Four years ago, the sum of the ages of R and V was equal to the current age of Y. What is Y's current age? I know the answer is 17,

Question 900753: The sum of the ages of Y, R, and V is 42 years. Four years ago, the sum of the ages of R and V was equal to the current age of Y. What is Y's current age?
I know the answer is 17, but I don't know how to get it.
Thanks!
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi

Y =  

Y +  R + V = 42  |Substitute for Y

(R+V)-8   + R + V = 42

2(R+V )= 50

(R + V) = 25

Y = 25-8 = 17

 

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