document.write( "Question 352016: one custodian cleans a suite of offices in 4 hours. when a second custodian is asked to help the regular custodian it takes 2 hours. how long does it take the second worker to the job alone? \n" ); document.write( "
Algebra.Com's Answer #251611 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 1/4+1/X+1/2 \n" ); document.write( "1/X=1/2-1/4 \n" ); document.write( "1/X=2/4+1/4 \n" ); document.write( "1/X=1/4 CROSS MULTIPLY. \n" ); document.write( "X=4 HOURS ANS. FOR THE CLEANING TIME FOR THE SECOND WORKER WORKING ALONE.. \n" ); document.write( " |