A bus company is replacing all the old seats in its buses with new ones. The company owns 12 buses and each bus has 38 seats. It costs $92.50 to purchase each new seat, as well as an additional $25.60 to install each new seat. What is the total cost the company will pay?​

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for

ion

step-by-step explanation:

ion ion ion ion ion ion ion ion ion ion ion

step-by-step explanation: