document.write( "Question 1162990: Sally walked to the store from her home at the rate of 5 miles per hour. After spending one-half hour in the store, her friend gave her a ride home at the rate of 30 miles per hour. She arrived home 1 hour and 5 minutes (1 1/12 hours) after she left from home. How far is the store from Sally’s home? \n" ); document.write( "

Algebra.Com's Answer #786921 by ikleyn(52803) $\"\"$ $\"About$

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document.write( "Let d be the distance from home to the store, in miles (one way distance).\r\n" );
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document.write( "The total time traveling both ways is  1 hours -  of an hour =  =  of an hour.\r\n" );
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document.write( "Time walking  is    hours.\r\n" );
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document.write( "Time riding back is    hours.\r\n" );
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document.write( "Total time equation is\r\n" );
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document.write( "     +  =    of an hour.\r\n" );
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document.write( "To solve it, multiply both sides by 60.  You will get\r\n" );
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document.write( "    12d  +  2d  = 35,\r\n" );
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document.write( "    14d         = 35\r\n" );
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document.write( "      d         =  = 2.5  miles.    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "Using \"time\" equation is a STANDARD method of solving such problems.\r
\n" ); document.write( "\n" ); document.write( "From my post, learn on how to write, how to use and how to solve a \"time\" equation.\r
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\n" ); document.write( "\n" ); document.write( "To see many other similar solved problems, look into the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Had a car move faster it would arrive sooner\r
\n" ); document.write( "\n" ); document.write( "    - How far do you live from school? \r
\n" ); document.write( "\n" ); document.write( "    - Earthquake waves \r
\n" ); document.write( "\n" ); document.write( "    - Time equation: HOW TO use, HOW TO write and HOW TO solve it \r
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