SOLUTION: lucy is four years younger than her brother. In five years, their ages will add up to 32. how old is lucy now?

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Question 732129: lucy is four years younger than her brother. In five years, their ages will add up to 32. how old is lucy now?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
l=b+4
l-b=4
l+5+b+5=32
l+b=22
l-b=4
2l=26
l=13
b=9