Andy, Mary, Leta, and Paul have eight days to collect money for a walk-a-thon to support their school. In the given graph, they have each recorded the relationship between the number of days and the amount of money collected
Walk-a-thon Collection
Y
641
m
56
48
40
Amount Collected ($)
8 32
24
16
Key
— Andy (a)
Mary (m)
Leta (1)
Paul (P)
8
X
0
1
2
3
4
5
6
7
8
Number of Days
Whose collection shows a proportional relationship between the amount of money collected and the number of days?
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