document.write( "Question 115253: Two planes leave San Francisco headed for Dallas at the same time.\r
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document.write( "Plane 1, Commercial Jet, takes 3 hours to arrive in Dallas.\r
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document.write( "Plane 2, Private Jet, takes 3 1/2 hours to arrive in Dallas.\r
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document.write( "In how many hours will Plane 2 be twice the distance from
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document.write( "Dallas as the first plane?
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Algebra.Com's Answer #83934 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! fraction of trip remaining equals ((total time)-(elapsed time))/(total time)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(3.5-t)/3.5=2((3-t)/3) ___ 3(3.5-t)=3.5*2(3-t) ___ 10.5-3t=21-7t ___ 4t=10.5 \n" ); document.write( " |