document.write( "Question 1197866: Jack leaves his home, traveling north at an average rate of 55 miles per hour. Five hours later, his wife, Frances, leaves home and takes the same route traveling at an average rate of 80 miles per hour. How long will it take Frances to catch Jack? \n" ); document.write( "

Algebra.Com's Answer #831300 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi  \r\n" );
document.write( "D =rt  Both Jack and Frances traveling equal distances:\r\n" );
document.write( "Question states\r\n" );
document.write( "(55mph)t = (80mph)(t-5)\r\n" );
document.write( " 400 = 25t\r\n" );
document.write( " 400/25 = t = 16hr, Jack's time\r\n" );
document.write( " Frances time = 11hr \r\n" );
document.write( "checking:  55mph*16h = 80mph*11h = 880mi checks\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
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