document.write( "Question 1102920: An executive drove from home at an average speed of 50 mph to an airport where a helicopter was waiting. The executive boarded the helicopter and flew to the corporate offices at an average speed of 100 mph. The entire distance was 450 mi. The entire trip took 5 h. Find the distance from the airport to the corporate offices. \n" ); document.write( "

Algebra.Com's Answer #717637 by josgarithmetic(39629) $\"\"$ $\"About$

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x, distance from airport to corporate office
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document.write( "             SPEED       TIME         DISTANCE\r\n" );
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document.write( "DROVE          50       (450-x)/50     450-x\r\n" );
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document.write( "FLEW          100         x/100          x\r\n" );
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document.write( "Total                      5            450\r\n" );
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\n" ); document.write( "\n" ); document.write( "Variables could be assigned differently; or two variables could be used, either both for time or both for distances; but the arrangement shown in the table might be most efficient.\r
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\n" ); document.write( "\n" ); document.write( " $\"highlight_green%28%28450-x%29%2F50%2Bx%2F100=5%29\"$
\n" ); document.write( "Solve this equation for x. \n" ); document.write( "

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