document.write( "Question 141075This question is from textbook Prentice Hall Algebra 1
\n" ); document.write( ": How do I solve using a system of two equations in two variables?\r
\n" ); document.write( "\n" ); document.write( "When a plane flies into the wind, it can travel 3000km in 6 hours. When it flies with the wind, it can travel the same distance in 5 hours. Find the rate of the plane in still air and the rate of the wind. \n" ); document.write( "
Algebra.Com's Answer #102738 by vleith(2983)\"\" \"About 
You can put this solution on YOUR website!
See the solution I gave for this problem --> http://www.algebra.com/algebra/homework/quadratic/Quadratic_Equations.faq.question.137499.html\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Then look at your problem and find out what two equations you can make to describe what you are given.\r
\n" ); document.write( "\n" ); document.write( "We know the distance is the same going both ways.
\n" ); document.write( "Let s be the speed of the plane and w be the wind.\r
\n" ); document.write( "\n" ); document.write( "Then D = velocity * time.\r
\n" ); document.write( "\n" ); document.write( "3000 = (s-w) * 6 or 500 = s-w
\n" ); document.write( "3000 = (s+w) * 5 or 600 = s+w\r
\n" ); document.write( "\n" ); document.write( "Now use the info from the link above and you can do the rest \n" ); document.write( "
\n" );