document.write( "Question 605946: If I type a page in x minutes and my friend types a page in x-1 minutes how long to type 100 pages together? \n" ); document.write( "
Algebra.Com's Answer #381878 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! 1/x + 1/(x-1) = 1/t\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "t(x-1) + tx = x(x-1)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "t(x-1+x) = x(x-1)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "t(2x-1) = x(x-1)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "t = (x(x-1))/(2x-1)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So working together, you both can type out a page in (x(x-1))/(2x-1) minutes.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So 100 pages will take (100x(x-1))/(2x-1) minutes\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-------------------------------------------------------------------------------------------------------------- \n" ); document.write( "If you need more help, email me at jim_thompson5910@hotmail.com\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Jim \n" ); document.write( "-------------------------------------------------------------------------------------------------------------- \n" ); document.write( " |