A theater has 32 seats in the first row, 34 seats in the second row, 36 seats in the third row, and so on. How many seats are there in row 20?
There are
seats in row 20.

There are 70 seats in the 20th row.

Step-by-step explanation:

This is because you add 2 seats every row. The 1st row has 32 seats and the second row has 34. Now, you have 18 more rows to go and each one increases by 2. In you do 18X2, you get 36. Do 34+36, you get 70.

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step-by-step explanation:

once you graph it hit 2nd (the blue button) and graph

that takes you to a table of coordinates

on the left is x coordinates and on the right is y coordinates and an empty box

(you may have to scroll up/down in order to get ( x, 0)