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Question 160070: Anna is 12 years older than her brother. Six years from now, the sum of their ages will be 32. Find anna's present age
Answer by nerdybill(7384)   (Show Source):
You can put this solution on YOUR website! Anna is 12 years older than her brother. Six years from now, the sum of their ages will be 32. Find anna's present age
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Let A = Anna's age
then because "Anna is 12 years older than her brother."
A-12 = brother's age
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Then from "Six years from now, the sum of their ages will be 32." we get our equation:
(A+6) + (A-12+6) = 32
A+6 + A - 12 + 6 = 32
A+A =32
2A = 32
A = 16 years old (Anna's age_
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