Larry created a pattern by shading some parts of his design. If you continue the pattern, how many parts should Larry not shade in for Design number 4? A. 12 B. 16 C. 20 D. 25 Its on egde if you know this problem

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.

b.

step-by-step explanation: