SOLUTION: wendy is 6 years younger than her brother.The product of their ages is 91.Find their ages.

Question 884961: wendy is 6 years younger than her brother.The product of their ages is 91.Find their ages.

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Wendy's age
Let = brother's age
-----------------------
(1)
(2)
-----------------
Substitute (1) into (2)
(2)
(2)
Complete the square
(2)
(2)
(2)
Take the square root of both sides
(2)
(2)
and
(1)
(1)
(1)
-------------------
Wendy is 7 and her brother is 13
check:

OK

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