Difference between revisions of "2006 AMC 8 Problems/Problem 3"
Math Kirby (talk | contribs) (Created page with "== Problem == Elisa swims laps in the pool. When she first started, she completed 10 laps in 25 minutes. Now, she can finish 12 laps in 24 minutes. By how many minutes has she i...") |
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Revision as of 22:47, 5 September 2011
Problem
Elisa swims laps in the pool. When she first started, she completed 10 laps in 25 minutes. Now, she can finish 12 laps in 24 minutes. By how many minutes has she improved her lap time?
Solution
When Elisa started, she finished a lap in minutes. Now, she finishes a lap is minutes. The difference is .