document.write( "Question 1008014: Find the rate of two cars traveling in the same direction if they leave the same place at the same time. One car is one and a half times as fast as the other, and after 4 hr the faster car is 80 mi ahead of the slower car. \n" ); document.write( "

Algebra.Com's Answer #623799 by josgarithmetic(39616) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "             rate        time       distance\r\n" );
document.write( "SLOW          r           4         r*4\r\n" );
document.write( "FAST         (3/2)r       4        (3/2)r*4\r\n" );
document.write( "Difference                            80\r\n" );
document.write( "

\n" ); document.write( " $\"highlight_green%28%283%2F2%29%2A4%2Ar-4r=80%29\"$
\n" ); document.write( " $\"%283%2F2%29r-r=20\"$
\n" ); document.write( " $\"r%283%2F2-1%29=20\"$
\n" ); document.write( " $\"r%2F2=20\"$
\n" ); document.write( " $\"highlight%28r=40%29\"$ and the fast car goes 60 miles per hour.
\n" ); document.write( " \n" ); document.write( "

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