document.write( "Question 562528: The Giants left San Francisco heading north east at 180 km/hr. At the same time, the Patriots left Boston and headed southwest traveling at 150 km/hr. After 8 hrs both planes landed in indianapolis at the same time, how far apart are boston and San Francisco? \n" ); document.write( "
Algebra.Com's Answer #364609 by josmiceli(19441)\"\" \"About 
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Let \"+d%5B1%5D+\" = distance in km from Boston to Indianapolis
\n" ); document.write( "Let \"+d%5B2%5D+\" = distance in km from SF to Indianapolis
\n" ); document.write( "The planes are heading in a straight line towards
\n" ); document.write( "each other, since SW is the opposite direction from NE
\n" ); document.write( "Plane from Boston:
\n" ); document.write( "\"+d%5B1%5D+=+150%2A8+\"
\n" ); document.write( "Plane from SF:
\n" ); document.write( "\"+d%5B2%5D+=+180%2A8+\"
\n" ); document.write( "---------------
\n" ); document.write( "\"+d%5B1%5D+=+1200+\" km
\n" ); document.write( "\"+d%5B2%5D+=+1440+\" km
\n" ); document.write( "\"+d%5B1%5D+%2B+d%5B2%5D+=+2640+\" km
\n" ); document.write( "
\n" );