document.write( "Question 1155703: One plane travelling 380 mph goes 1389 miles with the wind in the same amount of time that another plane going 430 mph goes 1041 miles against the wind. How fast is the wind blowing in mph? \n" ); document.write( "

Algebra.Com's Answer #778335 by ikleyn(52835) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "\r\n" );
document.write( "The time equation is\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "     = .\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "It is a literal translation of the wording description to equation.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "w is the speed of the wind.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "To find the wind speed, solve the equation.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Your first step is to cross-multiply.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );