document.write( "Question 1143020: Jill is 16 miles away from joe. both begin to walk toward each other at the same time. Jill is walking 2.5 miles per hour. they meet in 4 hours. how fast is hoe walking? \n" ); document.write( "

Algebra.Com's Answer #763768 by ikleyn(53765) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( " You can solve the problem using equation/equations.\r
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document.write( "Let x is Joe's walking rate in miles per hour, now unknown.\r\n" );
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document.write( "Then you have this \"distance\" equation\r\n" );
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document.write( "    4*2.5 + 4x = 16  miles,\r\n" );
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document.write( "saying that the total distance is the sum of partial distances.\r\n" );
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document.write( "     10   + 4x = 16,\r\n" );
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document.write( "     4x        = 16 - 10 \r\n" );
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document.write( "     4x        = 6\r\n" );
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document.write( "      x        =  = 1.5 miles per hour.\r\n" );
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document.write( "ANSWER.  Joe4's walking rate is 1.5 miles per hour.\r\n" );
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\n" ); document.write( "\n" ); document.write( " You also can solve the problem mentally, without using equation/equations.\r
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document.write( "In 4 hours, Jill walked  4*2.5 = 10 miles.\r\n" );
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document.write( "Hence, Joe's part was only  16 - 10 = 6 miles.\r\n" );
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document.write( "So, Joe walked  6 miles in 4 hours.\r\n" );
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document.write( "It means that Joe's rate is   = 1.5 miles per hour.\r\n" );
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document.write( "You get the same answer.\r\n" );
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