SOLUTION: Ross is 6 years older than twice his sister Holly's age. The difference in their ages is 18 years. How old is Holly?
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Question 929433: Ross is 6 years older than twice his sister Holly's age. The difference in their ages is 18 years. How old is Holly?
Answer by harpazo(655) (Show Source): You can put this solution on YOUR website!
2x - x + 6 = 18
x = 18 - 6
x = 12
Holly is 12.
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