document.write( "Question 1011608: Bert drives his car from home 40 miles per hour going to work and 50 miles per hour coming back on the same road. Everyday, he drives a total of 1 hour. What is the distance from Bert’s house to his work, rounded to the nearest mile. \n" ); document.write( "

Algebra.Com's Answer #627334 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!

\r\n" );
document.write( "GOTO        40        d/40         d\r\n" );
document.write( "BACK        50        d/50         d\r\n" );
document.write( "Total                 1\r\n" );
document.write( "

\r
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\n" ); document.write( "\n" ); document.write( " $\"highlight%28d%2F40%2Bd%2F50=1%29\"$ ;
\n" ); document.write( "Solve for d and you are done (after round to nearest mile).\r
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\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Denominators:
\n" ); document.write( "2*2*2*5, and 2*5*5;\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"%28d%2F40%29%285%2F5%29%2B%28d%2F50%29%284%2F4%29=1\"$
\n" ); document.write( " $\"5d%2F200%2B4d%2F200=1\"$
\n" ); document.write( " $\"%289d%29%2F200=1\"$
\n" ); document.write( " $\"d=200%2F9\"$
\n" ); document.write( "Rounds to 22 miles.
\n" ); document.write( " \n" ); document.write( "

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