document.write( "Question 1027316: On a day when the wind speed is 25 miles per hour, a plane can travel 682mi with the wind in the same amount of time that it can travel 572 miles against the wind. find the speed of the plane with no wind. \n" ); document.write( "
Algebra.Com's Answer #642541 by mananth(16949) You can put this solution on YOUR website! Plane speed x mph \n" ); document.write( "wind speed 25 mph \n" ); document.write( ".. \n" ); document.write( "against wind x - 25 mph \n" ); document.write( "with wind x + 25 mph \n" ); document.write( " \n" ); document.write( "Distance against wind 572 \n" ); document.write( "Distance with wind 682 \n" ); document.write( "Time = same equate the time against with time with current \n" ); document.write( "t=d/r \n" ); document.write( "572 /(x- 25 )= 682 /(x+ 25 ) \n" ); document.write( "572 *(x+ 25 )= 682 *(x- 25 ) \n" ); document.write( "572 x + 14300 = 682 x -17050 \n" ); document.write( "572 x -682 x = -17050 + -14300 \n" ); document.write( "-110 x = -31350 \n" ); document.write( "/ -110 \n" ); document.write( " x= 285 mph \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |