document.write( "Question 949369: . What is the speed of an airplane that travels at a rate of 645 mph with the wind of r mph?
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Algebra.Com's Answer #579588 by addingup(3677)\"\" \"About 
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The net speed of an airplane equals the ground speed minus the wind speed
\n" ); document.write( "In your case, if we call:
\n" ); document.write( "g= ground speed, in your case 645 mph, no?
\n" ); document.write( "r= wind speed
\n" ); document.write( "ns= net speed (ground speed minus wind speed)\r
\n" ); document.write( "\n" ); document.write( "ns= g-r; ns= 645-r
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