document.write( "Question 288198: Car A and car B both travel 1320 miles. Car A drove at an average speed of 10 miles per hour faster than car B and made the trip in one hour less time. Find the average speeds of both cars. \n" ); document.write( "
Algebra.Com's Answer #208884 by richwmiller(17219)\"\" \"About 
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r*t=d
\n" ); document.write( "r*t=1320
\n" ); document.write( "(r+10)*(t-1)=1320
\n" ); document.write( "r=110 and t=12
\n" ); document.write( "r+10=120 t-1=11
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