Every white car in the Ela Motors car yard was a Toyota Twin Cab. Half of all the red cars were Toyota Twin Cab. Half of all Toyota Twin Cabs were white. There are 40 red cars and 30 white cars. How manay Toyota Twin Cabs are not white or red?

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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.

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step-by-step explanation: