document.write( "Question 1183195: holly leave her beach house by car and drives backto her home. her distance d kilometers from her home after t hours is given byd = 175 -70t\r
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Algebra.Com's Answer #813389 by ikleyn(52781) $\"\"$ $\"About$

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\n" ); document.write( "holly $\"highlight%28cross%28leave%29%29\"$ leaves her beach house by car and drives back to her home.
\n" ); document.write( "her distance d kilometers from her home after t hours is given byd = 175 -70t\r
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document.write( "The criterion getting home is  d = 0.\r\n" );
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document.write( "In other words, the time to get home is the solution \"t\" of the equation\r\n" );
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document.write( "    175 - 70t = 0.\r\n" );
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document.write( "From the equation,\r\n" );
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document.write( "    175 = 70t\r\n" );
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document.write( "      t =  = 2.5 hours = 2 hours and 30 minutes.    ANSWER\r\n" );
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