Which equation represents a proportional relationship? A)y =
1
2
x
B)y =
1
2
x + 1
C)y =
1
2
x + 2
D)y =
1
2
x +
1
2

Megan and desmond each add the same amount of water to their aquarium megan makes 5 ml of chemical solution with every gallon of water for her aquarium desmond mixed 8 ml of chemical solution for every 2 gallon of the water for his aquarium.