document.write( "Question 510833: plane A is 40 miles south and 100 miles east of plane B. plane A is flying 2 miles west for ever mile it flies north, while plane B is flying 3 miles east for every mile it flies south. where do there paths cross?
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Algebra.Com's Answer #342053 by ankor@dixie-net.com(22740)\"\" \"About 
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plane A is 40 miles south and 100 miles east of plane B. plane A is flying 2 miles west for ever mile it flies north, while plane B is flying 3 miles east for every mile it flies south. where do there paths cross?
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\n" ); document.write( "Write a linear equation for the line taken by each plane
\n" ); document.write( "With O origin,
\n" ); document.write( "Plane B: When x = 0, y = 40
\n" ); document.write( "\"plane B is flying 3 miles east for every mile it flies south.\"
\n" ); document.write( "Using the rise/run rule the slope will be -1/3 (negative because it's moving southward)
\n" ); document.write( "y = -\"1%2F3\"x + 40
\n" ); document.write( "\"+graph%28+300%2C+200%2C+-20%2C+130%2C+-10%2C+60%2C+-.333x%2B40%29+\"
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\n" ); document.write( "Plane A: x intercept = +100, find the y intercept
\n" ); document.write( "\"plane A is flying 2 miles west for ever mile it flies north,\"
\n" ); document.write( "Slope = -1/2; find the y intercept (b)
\n" ); document.write( "\"-1%2F2\"(100) + b = 0
\n" ); document.write( "-50 + b = 0
\n" ); document.write( "b = 50
\n" ); document.write( "the equation for A: y = -\"1%2F2\"x + 50, plot this with B
\n" ); document.write( "intercept x=60 mi east, y=20 mi north
\n" ); document.write( "\"+graph%28+300%2C+200%2C+-20%2C+130%2C+-10%2C+60%2C+-.333x%2B40%2C+-.5x%2B50%29+\"
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