SOLUTION: the sum of the ages of prashant and his brother is 15 and the difference is 3.find their ages.

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Question 533880: the sum of the ages of prashant and his brother is 15 and the difference is 3.find their ages.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let their ages be a and b
+a+%2B+b+=+15+
+a+-+b+=+3+
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add the equations
+2a+=+18+
+a+=+9+
and, since
+a+%2B+b+=+15+
+b+=+6+
Their ages are 6 and 9