document.write( "Question 1077971: If a bird can fly 20 miles upwind in 2 hours and 40 minutes, and can return to its starting point in 2 hours and 5 minutes, how fast is the wind and how fast is the bird? Answer in miles per hour. \n" ); document.write( "
Algebra.Com's Answer #692451 by josgarithmetic(39630) ![]() You can put this solution on YOUR website! r, speed of the bird \n" ); document.write( "w, speed of wind\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "Elimination Method on this system \n" ); document.write( " |