document.write( "Question 131720: A passenger plane made a trip to Las Vegas and back. On the trip there it flew 432 mph and on the return trip it went 480 mph. How long did the trip there take if the return trip took nine hours. \n" ); document.write( "

Algebra.Com's Answer #96158 by josmiceli(19441) $\"\"$ $\"About$

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For the return trip, $\"d+=+r%2At\"$
\n" ); document.write( " $\"d+=+480%2A9\"$
\n" ); document.write( " $\"d+=+4320\"$ mi
\n" ); document.write( "For the trip to Las Vegas,
\n" ); document.write( " $\"d+=+r%2At\"$
\n" ); document.write( " $\"4320+=+432%2At\"$
\n" ); document.write( " $\"t+=+10\"$ hrs answer \n" ); document.write( "

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