document.write( "Question 1059638: The first car is going 40mi/h,and the second car is going 55mi/h.the first car left 3 hours before the second car.what equation could you use to find how many hours it will take for the second car to catch up to the first car? \n" ); document.write( "

Algebra.Com's Answer #674704 by josgarithmetic(39799) $\"\"$ $\"About$

You can put this solution on YOUR website!
Typical traveling rates catchup problem. \r
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document.write( "                SPEEDS        TIMES       DISTANCES\r\n" );
document.write( "SLOW EARLY       40           t+3           d\r\n" );
document.write( "FAST LATE        55            t            d\r\n" );
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document.write( "PURELY IN VARIABLES\r\n" );
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document.write( "                SPEEDS        TIMES       DISTANCES\r\n" );
document.write( "SLOW EARLY       r            t+h           d\r\n" );
document.write( "FAST LATE        R             t            d\r\n" );
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\n" ); document.write( "\n" ); document.write( " $\"system%28r%28t%2Bh%29=d%2CRt=d%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"r%28t%2Bh%29=Rt\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"rt%2Brh=Rt\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"Rt-rt=rh\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%28R-r%29t=rh\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"highlight%28t=%28rh%29%2F%28R-r%29%29\"$ \r
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\n" ); document.write( "\n" ); document.write( "Use the given values to evaluate time t. \n" ); document.write( "

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