19. Madison is a sales associate for a transportation company. Each month she sells two cars for every 10 bicycles and four
motorcycles for every car. If she makes 40 sales per month, and
the variable x represents the number of cars she sells, which
equation could you use to find how many cars she sells per
month?

answer: - (a)

(b) 88 seats

step-by-step explanation:

given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.

thus first term=

second term=

the number of seats in a row continues to increase by 6 with each additional row.

⇒d= 6

a) given formula :

b)   let the number of seats (n) = 12

substitute n=12 in the explicit rule formed in (a)

∴there are 88 seats in 12 rows.

the correct answer is c

the equation is going to be