SOLUTION: robert is 15 years old than his sister helen. the sum of their ages is 63. find their ages.

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Question 1157965: robert is 15 years old than his sister helen. the sum of their ages is 63. find their ages.
Answer by Alan3354(69443) About Me  (Show Source):
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robert is 15 years old than his sister helen. the sum of their ages is 63. find their ages.
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"robert is 15 years old ..."
He's 15.
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63-15 = 48
She's 48