document.write( "Question 1187186: A plane can fly 1200 miles in the same time as it takes a car to go 400 miles. If the car travels 100 mph slower than the plane, find the speed of the plane.\r
\n" ); document.write( "\n" ); document.write( "Using
\n" ); document.write( "r
\n" ); document.write( " as your variable to represent the speed of the plane in miles per hour, write an equation using the information above that can be solved to find the answer to this problem.
\n" ); document.write( "

Algebra.Com's Answer #818125 by josgarithmetic(39799)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "             SPEEDS         TIMES             DISTANCE\r\n" );
document.write( "\r\n" );
document.write( "PLANE        r              1200/r              1200\r\n" );
document.write( "\r\n" );
document.write( "CAR          r-100           400/(r-100)         400\r\n" );
document.write( "

\n" ); document.write( "The two times were described as equal.\r
\n" ); document.write( "\n" ); document.write( "\"1200%2Fr=400%2F%28r-100%29\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"3%2Fr=1%2F%28r-100%29\"\r
\n" ); document.write( "\n" ); document.write( "\"3%28r-100%29=r\"\r
\n" ); document.write( "\n" ); document.write( "\"3r-300=r\"\r
\n" ); document.write( "\n" ); document.write( "\"2r=300\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28r=150%29\"\r
\n" ); document.write( "\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( ".
\n" ); document.write( "
\n" );