y = 5/2x + 5 would be your equation
18 / 1 = x / 15......18 miles to 1 gallon = x miles to 15 gallon
cross multiply
(1)(x) = (18)(15)
x = 270 miles
A pentagon and a abstract shape
Answer:
cross multipy them into a fraction
Step-by-step explanation:
This pic is the answer i believe