Commutative i believe <span />
Reasons:
(1) Given
(2) their 2 non-common sides in 1 ray
(3) definition of: supplemental angles
(4) Substitution
(5) Opposite angles are congruent (equal)
(6) Substitution
(7) Definition of supplementary angles
Answer: 
Step-by-step explanation:
Let x be the price of Razor scooters and y be the price of Navajo scooters.
Given : Zooter considers producing 400 Razor scooters and 800 Navajo scooters.
Then, the objective function value, in $, corresponding to this solution would be :
Z = (Number of Razor scooters) x (price of Razor scooters) + (Number of Navajo scooters) x (price of Navajo scooters)
i.e. Z = 400x + 800y
Hence, the required objective function value, in $ would be :
