SOLUTION: In a field of 108 aliens, each alien has either 5 heads or 103 heads. If I counted 1030 heads in total, how many aliens have 103 heads?

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Question 260214: In a field of 108 aliens, each alien has either 5 heads or 103 heads. If I counted 1030 heads in total, how many aliens have 103 heads?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
a+b=108
5a+103b=1030
a=103 and b=5
check
5*103 +103*5=1030
515+515=1030
ok