document.write( "Question 1177737: Two airplanes leave from the airport at the same time in opposite directions. The first airplane is traveling at 350 kph and the other at 275 kph. How long will it take for the planes to be 1875 kilometers apart? \n" ); document.write( "
Algebra.Com's Answer #806827 by ikleyn(52790)\"\" \"About 
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document.write( "    It will take  \"1875%2F%28350%2B275%29\" = 3 hours.      ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "The formula used is self-explanatory.\r
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