A vertex can be the max or min. The vertex is the highest point or lowest point of a function.
Answer: a
Step-by-step explanation:
Answer:
a
the first answer
Step-by-step explanation:
5x + 10y = 800
y = 50
10y = 10*50 = 500
800 - 500 = 300
300/5 = 60
x = 60
5(60) + 10(50) = 800
60 small vehicles were washed in total
