document.write( "Question 904734: can u help me with this word problem? it involves the formula D=rt+rt\r
\n" ); document.write( "\n" ); document.write( "It takes a plane 40 minutes longer to fly from Boston to LA at 525mph than it does to return at 600mph. How far apart are the cities?
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Algebra.Com's Answer #548864 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
525*(x+2/3)=600x
\n" ); document.write( "525x+2/3*525 )=600x
\n" ); document.write( "2/3*7=x
\n" ); document.write( "14/3 hr=x la to boston
\n" ); document.write( "boston to la 14/3+2/3=16/3 hr\r
\n" ); document.write( "\n" ); document.write( "600*14/3=200*14=2800 miles\r
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