document.write( "Question 1102966: Against the wind a small plane flew 280 miles in 1 hour and 10 minutes.
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\n" ); document.write( "The return trip took only nothing50 minutes.
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\n" ); document.write( "What was the speed of the​ wind? What was the speed of the plane in still​ air?
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Algebra.Com's Answer #717672 by josgarithmetic(39617)\"\" \"About 
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Speed against wind, \"280%2F%287%2F6%29=280%286%2F7%29=240\"\r
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\n" ); document.write( "\n" ); document.write( "Speed with wind, \"280%2F%285%2F6%29=280%286%2F5%29=336\"\r
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\n" ); document.write( "\n" ); document.write( "r, speed if no wind
\n" ); document.write( "w, speed of wind\r
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\n" ); document.write( "\n" ); document.write( "\"system%28r-w=240%2Cr%2Bw=336%29\"\r
\n" ); document.write( "\n" ); document.write( "\"2r=240%2B336\"
\n" ); document.write( "\"highlight%28r=288%29\"
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\n" ); document.write( "\"w=%28336-240%29%2F2\"
\n" ); document.write( "\"highlight%28w=48%29\"
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