document.write( "Question 807123: If it takes 3 boys an hour to clean their bedroom, how long would it take 4 boys to clean the same room? \n" ); document.write( "
Algebra.Com's Answer #486194 by ankor@dixie-net.com(22740)\"\" \"About 
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If it takes 3 boys an hour to clean their bedroom,
\n" ); document.write( " how long would it take 4 boys to clean the same room?
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\n" ); document.write( "It would take 1 boy three times as long to clean the room; 3 hrs.
\n" ); document.write( "Let the completed job = 1
\n" ); document.write( "Let t = time for 4 boys to do the job
\n" ); document.write( "\"t%2F3\" + \"t%2F3\" + \"t%2F3\" + \"t%2F3\" = 1
\n" ); document.write( "multiply equation by 3 to clear the denominators
\n" ); document.write( "t + t + t + t = 3
\n" ); document.write( "4t = 3
\n" ); document.write( "t = 3/4 of an hr or 45 min
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