document.write( "Question 590822: If a train travels 200 miles in 2ÎĂ hours, what is the rate of speed? Use this formula: D = rt \n" ); document.write( "

Algebra.Com's Answer #375278 by jim_thompson5910(35256) $\"\"$ $\"About$

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d = rt\r
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\n" ); document.write( "\n" ); document.write( "200 = r(2)\r
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\n" ); document.write( "\n" ); document.write( "200/2 = r\r
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\n" ); document.write( "\n" ); document.write( "100 = r\r
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\n" ); document.write( "\n" ); document.write( "r = 100\r
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\n" ); document.write( "\n" ); document.write( "So the rate is 100 mph.\r
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