document.write( "Question 1164293: amanda drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 7 hours. When Amanda drove home, there was no traffic and the trip only took 5 hours. If her average rate was 18 miles per hour faster on the trip home, how far away does Amanda live from the mountains? \n" ); document.write( "

Algebra.Com's Answer #788611 by josgarithmetic(39616) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "                    SPEED        TIME        DISTANCE\r\n" );
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document.write( "GOING THERE         r             7             d\r\n" );
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document.write( "COMING BACK        r+18           5             d\r\n" );
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\n" ); document.write( "\n" ); document.write( " $\"system%28r=d%2F7%2C5%28r%2B18%29=d%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"highlight_green%285%28d%2F7%2B18%29=d%29\"$ --------------solve this for d. \n" ); document.write( "

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