Respuesta :

meowmeow223334
1. Unit cost
18/3 = 6

2. When x = 1
In the graph I believe (1, 8)
Unit cost as 8

3. At Manglo since the unit cost is lower

4. 54/9 = 6
Noah runs 6 miles per day
Noah would win (5, 30)
Greta wins (5,45)
Greta wins more miles