Quote:
Originally Posted by beaner
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...
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You are forgetting that there are 15 left over, not the 3rd kid got 15. With 113 b = 28.5