Question

The number of seats in the theater's rows represent an ARITHMETIC SEQUENCE.

In an arithmetic sequence, the next term in the sequence is found by adding a constant (a set amount), called the common difference.

For the theater, there are...
17 seats in row 1
20 seats in row 2
23 seats in row 3
26 seats in row 4....

How many seats are there in row 15?
How do you know?

Answer 1

i think it is 17 seats in row 1

Answer 2

It is b hope this helps