document.write( "Question 900864: Two trucks leave a warehouse at the same time. One travels due north at an average speed of 61 miles per hour, and the other travels due south at an average speed of 59 miles per hour. After how many hours will the two trucks be 600 miles apart? \n" ); document.write( "

Algebra.Com's Answer #546248 by josmiceli(19441) $\"\"$ $\"About$

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Think of one track as standing still and
\n" ); document.write( "the other moving at the sum of their speeds
\n" ); document.write( " $\"+600+=+%28+61+%2B+59+%29%2At+\"$
\n" ); document.write( " $\"+600+=+120t+\"$
\n" ); document.write( " $\"+t+=+5+\"$
\n" ); document.write( "The two trucks be 600 miles apart in 5 hrs
\n" ); document.write( "-------------
\n" ); document.write( "check:
\n" ); document.write( " $\"+d%5B1%5D+=+61%2A5+\"$
\n" ); document.write( " $\"+d%5B1%5D+=+305+\"$
\n" ); document.write( "and
\n" ); document.write( " $\"+d%5B2%5D+=+59%2A5+\"$
\n" ); document.write( " $\"+d%5B2%5D+=+295+\"$
\n" ); document.write( " $\"+d%5B1%5D+%2B+d%5B2%5D+=+305+%2B+295+\"$
\n" ); document.write( " $\"+d%5B1%5D+%2B+d%5B2%5D+=+600+\"$
\n" ); document.write( "OK \n" ); document.write( "

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