9. The movie theater you like to go to has a lot of different rows. The first row has 20 seats, the second row 24, the third row has 28, and so on. a. Find an explicit formula for the number of seats in the n™ row. Show your work here: b. How many seats are in the 25th row? Show your work here: c. If the last row has 144 seats, how many rows are there? Show your work here:

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.3: Rules For Addition
Problem 7P
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9. The movie theater you like to go to has a lot of different rows. The first row has 20 seats,
the second row 24, the third row has 28, and so on.
a. Find an explicit formula for the number of seats in the nh row.
Show your work here:
b. How many seats are in the 25th row?
Show your work here:
c. If the last row has 144 seats, how many rows are there?
Show your work here:
Transcribed Image Text:9. The movie theater you like to go to has a lot of different rows. The first row has 20 seats, the second row 24, the third row has 28, and so on. a. Find an explicit formula for the number of seats in the nh row. Show your work here: b. How many seats are in the 25th row? Show your work here: c. If the last row has 144 seats, how many rows are there? Show your work here:
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