Difference between revisions of "2005 CEMC Gauss (Grade 7) Problems/Problem 9"
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Latest revision as of 00:34, 23 October 2014
Problem
A movie theatre has eleven rows of seats. The rows are numbered from 
to 
. Odd-numbered rows have 
seats and even-numbered rows have 
seats. How many seats are there in the theatre?
Solution
There are six odd-numbered rows (rows 
).
These rows have 
seats in total.
There are five even-numbered rows (rows 
).
These rows have 
seats in total.
Therefore, there are 
seats in total in the theatre. The answer is 
.
See Also
| 2005 CEMC Gauss (Grade 7) (Problems • Answer Key • Resources) | ||
| Preceded by Problem 8 |
Followed by Problem 10 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
| CEMC Gauss (Grade 7) | ||
