SOLUTION: Ray is 3 years older than half his sister's age. If Ray is 10 years old, how old is his sister?

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Question 731489: Ray is 3 years older than half his sister's age. If Ray is 10 years old, how old is his sister?



Answer by Zinkattommy(1) About Me  (Show Source):
You can put this solution on YOUR website!
Assume Ray's sister's age is x.


Ray's age is (x/2)+3, i.e (x+6)/2


If Ray is 10yrs old,then


(X+6)/2 = 10,


x+6 = 20


x = 14


Therefore,Ray's siSter's /e is 14years.