document.write( "Question 868374: Car A is going 14 mi/hr faster than car b. Car A travels 400 mi, in the same time it takes car B to travel 330 mi. Find the speed of each car. \n" ); document.write( "
Algebra.Com's Answer #523505 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Car B x mph - 330 miles \n" ); document.write( "Car A x+ 14 mph - 400 miles \n" ); document.write( " \n" ); document.write( "t=d/r \n" ); document.write( "330 / x = 400 / ( x+ 14 ) \n" ); document.write( "Cross multiply \n" ); document.write( "330 ( x 14 ) = 400 * x \n" ); document.write( "330 x + 4620 = 400 x \n" ); document.write( "400 x -330 x = 4620 \n" ); document.write( "70 x = 4620 \n" ); document.write( "/ 70 \n" ); document.write( "x = 66 Car B mph \n" ); document.write( " 80 Car A mph \n" ); document.write( " \n" ); document.write( " |