document.write( "Question 935613: Josephine worked in the library for 45 minutes and then took a 5-minute break. If she continues this cycle throughout the day, what is the chance that someone would randomly walk urban urge library and fine her working? \n" ); document.write( "
Algebra.Com's Answer #571676 by Edwin McCravy(20060)\"\" \"About 
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document.write( "Since 45 is 9 times 5, it is 9 times as likely that someone will walk\r\n" );
document.write( "in when she is working than when she is on break.\r\n" );
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document.write( "Let p = the probability that someone will walk in while she is on break.\r\n" );
document.write( "Then 9p = the probability that someone while walk in while she is working.\r\n" );
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document.write( "p + 9p = 1\r\n" );
document.write( "   10p = 1\r\n" );
document.write( "     p = 1/10 = the probability that someone will walk in which she is on break.\r\n" );
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document.write( "Therfore the prabability that someone will walk in while she is working is\r\n" );
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document.write( "9p = 9(1/10) = 9/10 or 90% of the time.\r\n" );
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document.write( "Edwin
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