document.write( "Question 1020451: an airplane flies 1710 km in 2 1/4 hours.What is its average speed in kilometers per second \n" ); document.write( "
Algebra.Com's Answer #636331 by josmiceli(19441)\"\" \"About 
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[ km / hr ] x [ hrs / min ] x [ min / sec ] = [ km / sec ]
\n" ); document.write( "\"+%28+1710+%2F+2.25+%29%2A%28+1%2F60+%29%2A%28+1%2F60+%29+=+1710+%2F+%28+2.25%2A3600+%29+\"
\n" ); document.write( "\"+1710+%2F+%28+2.25%2A3600+%29+=+1710+%2F+8100+\"
\n" ); document.write( "\"+1710+%2F+8100+=+.2111+\" km/sec
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