document.write( "Question 266905: John can mow 3 yards in 2 hrs while sally can mow 4yards in 3hrs. Working together, how long would it take them to mow 2 yards? \n" ); document.write( "
Algebra.Com's Answer #196018 by dabanfield(803)![]() ![]() ![]() You can put this solution on YOUR website! John can mow 3 yards in 2 hrs while sally can mow 4yards in 3hrs. Working together, how long would it take them to mow 2 yards?\r \n" ); document.write( "\n" ); document.write( "John can mow yards at the rate of 3 yards/2 hours or 3/2 yards per hour. \n" ); document.write( "Sally can mow yards at 4 yards/3 hours = 4/3 yards per hour.\r \n" ); document.write( "\n" ); document.write( "Together then they mow at a rate of 3/2 + 4/3 yards per hour. If t is the time needed for them to mow 2 yards then we have:\r \n" ); document.write( "\n" ); document.write( "2 = (3/2+4/3)*t\r \n" ); document.write( "\n" ); document.write( "Solve the above for t. \n" ); document.write( " |