Answer:
0.5 Gallons
Step-by-step explanation:
28.8 = 18x....divide both sides by 18, eliminating the 18 on the right side
28.8 / 18 = x
1.6 = x <==
The answer i got when i worked it out with my math teacher was C
They are complementary because if you were to put them on top of one another they'd line up. (same degree measurement)