document.write( "Question 134918: I have been given this problem for extra credit could someone please help with the solution. \r
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\n" ); document.write( "\n" ); document.write( "There are 100 open lockers. There are 100 students.
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\n" ); document.write( "(Note definition- Status change: If a locker is closed it becomes open or if the locker is open it becomes closed).\r
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\n" ); document.write( "\n" ); document.write( "The first student changes the status of all the lockers (Student closes 100 lockers).
\n" ); document.write( "The second student changes the status of every two lockers (lockers 2,4,6,8...100 are opened).
\n" ); document.write( "The third studen changes the status to every third locker (the status of lockers 3,6,9,12....99 are changed).
\n" ); document.write( "This process is repeated until all 100 students have had their turn at changing the status of their locker(s).
\n" ); document.write( "Question: What lockers are left closed?
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Algebra.Com's Answer #98778 by vleith(2983) $\"\"$ $\"About$

You can put this solution on YOUR website!
For problems like these, it is often helpful to scale small and look for patterns\r
\n" ); document.write( "\n" ); document.write( "I suggest you work the problem with only 10 lockers and 10 students, and then with 20 and 20.\r
\n" ); document.write( "\n" ); document.write( "Pay attention to the pattern you see. If you still can't figure it out, send me an email and I'll give you a hint. \n" ); document.write( "

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