2004 AMC 8 Problems/Problem 20
Problem
Two-thirds of the people in a room are seated in three-fourths of the chairs. The rest of the people are standing. If there are empty chairs, how many people are in the room?
Solution 1
Working backwards, if of the chairs are taken and are empty, then there are three times as many taken chairs as empty chairs, or . If is the number of people in the room and are seated, then and .
See Also
2004 AMC 8 (Problems • Answer Key • Resources) | ||
Preceded by Problem 19 |
Followed by Problem 21 | |
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All AJHSME/AMC 8 Problems and Solutions |
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