Difference between revisions of "2018 AMC 10A Problems/Problem 4"
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Revision as of 14:51, 8 February 2018
How many ways can a student schedule 3 mathematics courses -- algebra, geometry, and number theory -- in a 6-period day if no two mathematics courses can be taken in consecutive periods? (What courses the student takes during the other 3 periods is of no concern here.)