document.write( "Question 994507: Students are traveling in two cars to a football game 145 miles away. One car travels at an average speed of 40 miles per hour. The second car starts a half hour later and travels at an average speed of 50 miles per hour. How long will it take the second car to catch up to the first car? \n" ); document.write( "

Algebra.Com's Answer #613572 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "CAR            speed       time        distance\r\n" );
document.write( "Fast Later       50        t             d\r\n" );
document.write( "Slow Early       40        t+1/2         d\r\n" );
document.write( "\r\n" );
document.write( "Important to understand, \r\n" );
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\r
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\n" ); document.write( "\n" ); document.write( " $\"system%2850t=d%2C40%28t%2B1%2F2%29=d%29\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"50t=40%28t%2B1%2F2%29\"$
\n" ); document.write( " $\"5t=4%28t%2B1%2F2%29\"$
\n" ); document.write( " $\"5t=4t%2B2\"$
\n" ); document.write( " $\"highlight%28t=2%29\"$ \n" ); document.write( "

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