A small cruising ship that can hold up to
56 people provides three-day excursions to groups of
34 or more. If the group contains
34 people, each person pays
$68. The cost per person for all members of the party is reduced by
$1 for each person in excess of
34. Find the size of the group that maximizes income for the owners of thership.

i believe the answer is c.

step-by-step explanation:

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.