A model train has a length of 12 inches. The scale factor from the model train to the actual train it is 3 inches to 2 meters. Explain, in complete sentences, how to turn the scale factor into a fraction that can be used to
determine the length of the actual train

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.