document.write( "Question 1145944: Jeff and Kirk can build a​ 75-ft retaining wall together in 7 hours. Because Jeff has more​ experience, he could build the wall by himself 3 hours quicker than Kirk. How long would it take Kirk​ (to the nearest​ minute) to build the wall by​ himself? \n" ); document.write( "
Algebra.Com's Answer #767228 by ikleyn(52790)\"\" \"About 
You can put this solution on YOUR website!
.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The TWIN problem was solved under this LINK\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "https://www.algebra.com/algebra/homework/Human-and-algebraic-language/Human-and-algebraic-language.faq.question.1145949.html\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "https://www.algebra.com/algebra/homework/Human-and-algebraic-language/Human-and-algebraic-language.faq.question.1145949.html\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Enjoy this solution and DO NOT POST twin problems.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );