document.write( "Question 1092475: Two planes fly in opposite directions. One travels 450
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Algebra.Com's Answer #707077 by Edwin McCravy(20081)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "They are separating at the rate of 450+550 = 1000 mi/h.\r\n" );
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document.write( "We use the formula \"D=RT\" with D = 4000 mi and R = 1000 mi/h\r\n" );
document.write( "                   \"4000=1000T\"\r\n" );
document.write( "                   \"4000%2F1000=1000T%2F1000\"\r\n" );
document.write( "                   \"4=T\"\r\n" );
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document.write( "answer: 4 hours.\r\n" );
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document.write( "Edwin
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