16. The cost of a car tire is 800 pesos plus 120 pesos per order regardless of the
number of tires purchased. If Mr. Cruz placed an order worth 4920 pesos and d
represents the numbers of tires, what equation models the situation?
a. 800 + 120 = 4920
b. 800d + 120 = 4920
C. 800 + 1200 = 4920
d. 800 + 120 = 4920​