document.write( "Question 1135650: I need help solving this equation: My roommate walks at 3mph and it takes her 8 minutes to walk to class. I have the same class but walk faster at 5 mph. How long will it take me to get to class? \n" ); document.write( "

Algebra.Com's Answer #753286 by ikleyn(52788) $\"\"$ $\"About$

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document.write( "Let t be how long it take you to get to the class (in minutes; the unknown that the problem asks to find).\r\n" );
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document.write( "The distance your roommate walked was 3 mph * 8 minutes =  miles.\r\n" );
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document.write( "The distance you walk is  5 mph * t minutes =  miles.\r\n" );
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document.write( "    Did you noticed that I converted each time from minutes to hours ?\r\n" );
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document.write( "The two distances are the same, so you have this equation\r\n" );
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document.write( "     = \r\n" );
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document.write( "to find \"t\".  First, cancel the factor 60 in both denominators.  You will get then\r\n" );
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document.write( "     3*8 = 5*t.\r\n" );
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document.write( "From this equation,  t =  minutes =  minutes =  minutes = 4 minutes and 48 seconds.   ANSWER\r\n" );
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