document.write( "Question 601722: a traffic signal is green for 25 seconds, amber for 10, and red for 25. when you reach the signal, what is the probability it will be red ? write in simplest form \n" ); document.write( "
Algebra.Com's Answer #379960 by jim_thompson5910(35256)\"\" \"About 
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P(red) = (time that signal is red)/(total time)\r
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\n" ); document.write( "\n" ); document.write( "P(red) = 25/(25+10+25)\r
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\n" ); document.write( "\n" ); document.write( "P(red) = 25/60\r
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\n" ); document.write( "\n" ); document.write( "P(red) = 5/12
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