document.write( "Question 320649: The speed of train A is 10 mph slower than train B. Train A travels 210 miles in the same time train B travels 260. What is the speeds of trains A & B ? \n" ); document.write( "
Algebra.Com's Answer #229650 by mananth(16946)\"\" \"About 
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train B xmph
\n" ); document.write( "train A = x-10 mph
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\n" ); document.write( "train A 210 miles
\n" ); document.write( "train B 260 miles
\n" ); document.write( "..
\n" ); document.write( "Time taken by both the trains is same
\n" ); document.write( "..
\n" ); document.write( "260/x =210/x-10
\n" ); document.write( "260(x-10)=210x
\n" ); document.write( "260x-2600=210x
\n" ); document.write( "50x=2600
\n" ); document.write( "x=52 mph speed of train B
\n" ); document.write( "train A speed = 42mph
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