document.write( "Question 1208248: Sisters Helen and Anne live 332 miles apart. For Thanksgiving, they met at their other sister's house
\n" ); document.write( "partway between their homes. Helen drove 3.2 hours and Anne drove 2.8 hours. Helen's average speed
\n" ); document.write( "was four miles per hour faster than Anne's. Find Helen's average speed and Anne's average speed. \n" ); document.write( "
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document.write( "Sisters Helen and Anne live 332 miles apart. For Thanksgiving, they met at their other sister's house\r\n" );
document.write( "partway between their homes. Helen drove 3.2 hours and Anne drove 2.8 hours. Helen's average speed\r\n" );
document.write( "was four miles per hour faster than Anne's. Find Helen's average speed and Anne's average speed.\r\n" );
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document.write( "There's something WRONG with one of the responses.\r\n" );
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document.write( "Let Helen’s average speed be S\r\n" );
document.write( "Then Anne’s average speed = S - 4\r\n" );
document.write( "Helen’s distance covered: 3.2S\r\n" );
document.write( "Anne’s distance covered: 2.8(S - 4) = 2.8S - 11.2\r\n" );
document.write( "Since together, they both covered a total of 332 miles, we get the following DISTANCE\r\n" );
document.write( "equation: 3.2S + 2.8S - 11.2 = 332\r\n" );
document.write( "                          6S = 343.2\r\n" );
document.write( "     Helen’s speed, or \r\n" );
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document.write( "             Anne’s speed = 57.2 - 4 = 53.2 mph
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