document.write( "Question 1078581: Two cars 656 miles apart and traveling toward each other along the same road. They meet in 4 hours. One car is traveling 6 mph than the other. What is the speed of each car? \n" ); document.write( "

Algebra.Com's Answer #693008 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
You can think of this as one of the cars standing
\n" ); document.write( "still and the other one traveling at the sum of their speeds
\n" ); document.write( "Let $\"+s+\"$ = the speed of the slower car
\n" ); document.write( " $\"+s+%2B+6+\"$ = the speed of the faster car
\n" ); document.write( "----------------------------------------
\n" ); document.write( " $\"+656+=+%28+s+%2B+s+%2B+6+%29%2A4+\"$
\n" ); document.write( " $\"+656+=+%28+2s+%2B+6+%29%2A4+\"$
\n" ); document.write( " $\"+656+=+8s+%2B+24+\"$
\n" ); document.write( " $\"+8s+=+632+\"$
\n" ); document.write( " $\"+s+=+79+\"$
\n" ); document.write( "and
\n" ); document.write( " $\"+s+%2B+6+=+85+\"$
\n" ); document.write( "The speeds of the 2 cars are:
\n" ); document.write( "79 mi/hr and 85 mi/hr
\n" ); document.write( "------------------------------
\n" ); document.write( "check:
\n" ); document.write( " $\"+d%5B1%5D+=+79%2A4+\"$
\n" ); document.write( " $\"+d%5B1%5D+=+316+\"$ mi
\n" ); document.write( "and
\n" ); document.write( " $\"+d%5B2%5D+=+85%2A4+\"$
\n" ); document.write( " $\"+d%5B2%5D+=+340+\"$ mi
\n" ); document.write( "and
\n" ); document.write( " $\"+d%5B1%5D+%2B+d%5B2%5D+=+316+%2B+340+\"$
\n" ); document.write( " $\"+d%5B1%5D+%2B+d%5B2%5D+=+656+\"$ mi
\n" ); document.write( "OK \n" ); document.write( "

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