document.write( "Question 1045817: Suppose that during a test drive of two cars, one car travels 135 miles in the same time that the second car travels 100 miles. If the speed of one car is 14 miles per hour faster than the speed of the second car, find the speed of both cars.
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Algebra.Com's Answer #661331 by jorel555(1290)![]() ![]() ![]() You can put this solution on YOUR website! Let r be the rate of the slower car. Then: \n" ); document.write( "100/r=135/(r+14) \n" ); document.write( "135r=100r+1400 \n" ); document.write( "35r=1400 \n" ); document.write( "r=40 \n" ); document.write( "The slower car goes 40 mph; the faster one goes 54 mph. ☺☺☺☺ \n" ); document.write( " |