Difference between revisions of "2009 AMC 10B Problems/Problem 3"
VelaDabant (talk | contribs) (New page: == Problem == Paula the painter had just enough paint for 30 identically sized rooms. Unfortunately, on the way to work, three cans of paint fell off her truck, so she had only enough pai...) |
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| + | {{duplicate|[[2009 AMC 10B Problems|2009 AMC 10B #3]] and [[2009 AMC 12B Problems|2009 AMC 12B #2]]}} | ||
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== Problem == | == Problem == | ||
Paula the painter had just enough paint for 30 identically sized rooms. Unfortunately, on the way to work, three cans of paint fell off her truck, so she had only enough paint for 25 rooms. How many cans of paint did she use for the 25 rooms? | Paula the painter had just enough paint for 30 identically sized rooms. Unfortunately, on the way to work, three cans of paint fell off her truck, so she had only enough paint for 25 rooms. How many cans of paint did she use for the 25 rooms? | ||
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{{AMC10 box|year=2009|ab=B|num-b=2|num-a=4}} | {{AMC10 box|year=2009|ab=B|num-b=2|num-a=4}} | ||
| + | {{AMC12 box|year=2009|ab=B|num-b=1|num-a=3}} | ||
Revision as of 14:58, 26 February 2009
- The following problem is from both the 2009 AMC 10B #3 and 2009 AMC 12B #2, so both problems redirect to this page.
Problem
Paula the painter had just enough paint for 30 identically sized rooms. Unfortunately, on the way to work, three cans of paint fell off her truck, so she had only enough paint for 25 rooms. How many cans of paint did she use for the 25 rooms?
Solution
Losing three cans of paint corresponds to being able to paint five fewer rooms. So 
. The answer is 
.
| 2009 AMC 10B (Problems • Answer Key • Resources) | ||
| Preceded by Problem 2 |
Followed by Problem 4 | |
| 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 | ||
| All AMC 10 Problems and Solutions | ||
| 2009 AMC 12B (Problems • Answer Key • Resources) | |
| Preceded by Problem 1 |
Followed by Problem 3 |
| 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 | |
| All AMC 12 Problems and Solutions | |
