document.write( "Question 751214: two sanders working alone, one sands the floors for 8 hrs the other in 6 hours. How long would it take if they worked together? \n" ); document.write( "
Algebra.Com's Answer #457055 by jim_thompson5910(35256) ![]() You can put this solution on YOUR website! 1/8 + 1/6 = 1/t\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3/24 + 4/24 = 1/t\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7/24 = 1/t\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7t = 1*24\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7t = 24\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "t = 24/7\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "t = 3.42857142857142 (this is approximate)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So it will take roughly 3.42857142857142 hours if they work together. \n" ); document.write( " |