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Old 02-17-2012, 12:28 AM  
baddog
So Fucking Banned
 
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Join Date: Apr 2001
Location: the beach, SoCal
Posts: 107,090
Quote:
Originally Posted by beaner View Post
From the beginning

Z = total watermelons

student 1 = a
student 2 = b
student 3 = c

a has .5Z + .5
b has .5a + .5
c has .5b + .5
c has 15
b = 29
a = 57
z = 113

113 total...
You are forgetting that there are 15 left over, not the 3rd kid got 15. With 113 b = 28.5
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