Rosa is participating in a fun run to raise money for the West Side Children's Hospital. The run is held at Rosa's high school t
rack. The more laps Rosa runs around the track, the more money she raises for the hospital. There is a proportional relationship between the number of laps Rosa runs, x, and the amount of money she raises for the hospital (in dollars), y.
x (laps) y (dollars)
1 $5
2 $10
3 $15
4 $20
Write an equation for the relationship between x and y.
y=
