document.write( "Question 995930: How far can a man drive into a country if he drives out at 40 miles per hour, returns over the same road at 30 miles per hour, and spends 8 hours away from home, including a 1-hour stop for lunch? \n" ); document.write( "
Algebra.Com's Answer #614578 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! Eight hours away from home and 1 hour for lunch means total time traveling, 7 hours.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let variables' meaning be implied in this table. \n" ); document.write( " \r\n" ); document.write( " speed time distance\r\n" ); document.write( "TO COUNTRY 40 c 40c\r\n" ); document.write( "TO HOME 30 h 30h\r\n" ); document.write( "Total 7 \r\n" ); document.write( "\n" ); document.write( "This does not help.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Distance each way should be the same, some number d.\r\n" ); document.write( "\r\n" ); document.write( " speed time distance\r\n" ); document.write( "TO COUNTRY 40 d/40 d\r\n" ); document.write( "TO HOME 30 d/30 d\r\n" ); document.write( "Total 7\r\n" ); document.write( " |