document.write( "Question 692265: I need to do the following problem: A carpenter and his partner can put up a patio cover in 3 3/7 hours. If the partner needs 8 hours to complete the cover alone, how long would it take the carpenter working alone? I must show my work. \n" ); document.write( "
Algebra.Com's Answer #426949 by ptaylor(2198)![]() ![]() You can put this solution on YOUR website! Let x=the amount of time it takes the carpenter working alone to put up the cover \n" ); document.write( "Then the carpenter works at the rate of 1/x of the cover per hour \n" ); document.write( "The carpenter and his partner works at the rate of 1/(3 3/7)=1/(24/7)=7/24 of the cover per hour \n" ); document.write( "The partner works at the rate of 1/8 of the cover per hour, soooo\r \n" ); document.write( "\n" ); document.write( "1/x + 1/8 =7/24 multiply each term by 24x \n" ); document.write( "24+3x=7x \n" ); document.write( "4x=24 \n" ); document.write( "x=6 hours time it takes the carpenter working alone\r \n" ); document.write( "\n" ); document.write( "CK \n" ); document.write( "1/6+1/8=7/24 \n" ); document.write( "4/24+3/24=7/24 \n" ); document.write( "7/24=7/24\r \n" ); document.write( "\n" ); document.write( "Hope this helps---ptaylor \n" ); document.write( " |