document.write( "Question 439168: An experienced bricklayer can construct a small wall in 6 hours. An apprentice can complete the job in 12 hours. Find how long it takes if they work together. \n" ); document.write( "
Algebra.Com's Answer #304063 by robertb(5830)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "<==> x/4 = 1 \n" ); document.write( "==> x = 4 hours working together and starting at the same time. \n" ); document.write( " |