document.write( "Question 60: Afreight train and an express train leave towns 390km apart, traveling toward one another. The freight train travels 30km per hr slower than the express train. They pass another 3 hr. later. What are their speeds! \n" ); document.write( "

Algebra.Com's Answer #168358 by noelsarrosa(1) $\"\"$ $\"About$

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(x-30+x)3=390
\n" ); document.write( "x-30+x=130
\n" ); document.write( "2x-30=130
\n" ); document.write( "2x=160
\n" ); document.write( "x=80, x-30=50\r
\n" ); document.write( "\n" ); document.write( "Checking:\r
\n" ); document.write( "\n" ); document.write( "(80+50)3=390
\n" ); document.write( "130(3)=390
\n" ); document.write( "390=390 \n" ); document.write( "

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