document.write( "Question 1122193: two cars traveling 725mi apart and traveling toward each other along the same road. they meet in 5 hours. one car is traveling 7mph slower than the other. what is the speed of each car? \n" ); document.write( "
Algebra.Com's Answer #738245 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! d=r*t, t=5 hours \n" ); document.write( "x mph is speed of one car/hr, x-7 mph the speed of the other/hr, \n" ); document.write( "in 5 hours, their combined distance will be 725 miles \n" ); document.write( "so 5(x)+5(x-7)=725 \n" ); document.write( "5x+5x-35=725 \n" ); document.write( "10x=760 \n" ); document.write( "x=76 mph, x-7=69 mph. \n" ); document.write( "In 5 hours, one car will travel 380 miles, the other 345 miles, which add to 725 miles \n" ); document.write( " \n" ); document.write( " |