document.write( "Question 956764: Chad can paint a room in 2 hours. Cassie can paint a room in 3 hours. How long would it take them to paint a room working together? \n" ); document.write( "
Algebra.Com's Answer #584536 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Chad can paint a room in 2 hours. Cassie can paint a room in 3 hours. How long would it take them to paint a room working together? \n" ); document.write( "-------------- \n" ); document.write( "Chad rate:: 1/2 job/hr \n" ); document.write( "Cassie rate:: 1/3 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( "1/2 + 1/3 = 1/x \n" ); document.write( "3x + 2x = 6 \n" ); document.write( "5x = 6 \n" ); document.write( "x = 1 1/5 hr = 1hr 12 min (time to do the job together) \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------- \n" ); document.write( " |