document.write( "Question 379032: Sally can paint a room in 3 hours while it takes Steve 8 hours to paint the same room. How long would it take them to paint the room if they worked together? \n" ); document.write( "
Algebra.Com's Answer #269173 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Sally can paint a room in 3 hours while it takes Steve 8 hours to paint the same room. How long would it take them to paint the room if they worked together? \n" ); document.write( "----------------- \n" ); document.write( "Sally rate = 1/3 job/hr \n" ); document.write( "Steve rate = 1/8 job/hr \n" ); document.write( "Together rate = 1/x job/hr \n" ); document.write( "--------------------------------- \n" ); document.write( "Equation: \n" ); document.write( "rate + rate = together rate \n" ); document.write( "1/3 + 1/8 = 1/x \n" ); document.write( "8x + 3x = 24 \n" ); document.write( "11x = 24 \n" ); document.write( "x = 24/11 = 2 2/11 hrs \n" ); document.write( "--- \n" ); document.write( "together time = 2 hr + (2/11)*60 min = 2 hr 10.9 min \n" ); document.write( "========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================= \n" ); document.write( " |