document.write( "Question 512914: Luke paints a car in 6 hours while Daniel paints the same car in 3 hours. If they work together how long will it take them to paint the car? \n" ); document.write( "
Algebra.Com's Answer #342788 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Luke paints a car in 6 hours while Daniel paints the same car in 3 hours. If they work together how long will it take them to paint the car? \n" ); document.write( "-------------- \n" ); document.write( "Luke rate: 1/6 job/hr \n" ); document.write( "Dan rate: 1/3 job/hr \n" ); document.write( "--- \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( "1/6 + 1/3 = 1/x \n" ); document.write( "Multiply thru by 18x \n" ); document.write( "-------------- \n" ); document.write( "3x + 6x = 18 \n" ); document.write( "9x = 18 \n" ); document.write( "x = 2 hrs (time to do the job together) \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================== \n" ); document.write( " |