document.write( "Question 277004: it takes a plane 40 min longer to fly from Boston to LA at 525 mi/h than it does to return at 600 mi/h. how far apart are the cities? \n" ); document.write( "

Algebra.Com's Answer #854146 by MathTherapy(10801) $\"\"$ $\"About$

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document.write( " it takes a plane 40 min longer to fly from Boston to LA at 525 mi/h than it does to return at 600 mi/h. how far apart are the cities?\r\n" );
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document.write( "Let distance between the 2 cities, be D\r\n" );
document.write( "Then, time the plane takes to fly from Boston to LA is \r\n" );
document.write( "And, time the plane takes to return from LA to Boston is: \r\n" );
document.write( "The plane takes 40 minutes, or  longer to fly from Boston to LA. \r\n" );
document.write( "So, we get the following TIME equation:                                                       \r\n" );
document.write( "                                                                         8D - 7D = 2(1,400) ---- Multiplying by LCD, 4,200\r\n" );
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document.write( "               Distance between the 2 cities, or D = 2,800 miles

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