document.write( "Question 70194: two cars start at a given point aand travel in the same direction at average speeds of 40 miles per hour and 55 miles per hour. how much rime must elapse before the two cars are 5 miles apart? \n" ); document.write( "
Algebra.Com's Answer #50057 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! two cars start at a given point aand travel in the same direction at average speeds of 40 miles per hour and 55 miles per hour. how much rime must elapse before the two cars are 5 miles apart? \n" ); document.write( "---------------- \n" ); document.write( "1st Car DATA \n" ); document.write( "rate=40 mi/hr ; time = x hrs ; distance = rt = 40x miles \n" ); document.write( "-------- \n" ); document.write( "2nd Car DATA: \n" ); document.write( "rate=55 mi/hr ; time = x hrs ; distance = rt = 55xmiles \n" ); document.write( "------- \n" ); document.write( "EQUATION: \n" ); document.write( "faster car distance - slower car distance = 5 miles \n" ); document.write( "55x - 40x = 5 \n" ); document.write( "15x=5 \n" ); document.write( "x=1/3 hr or 20 minutes \n" ); document.write( "--------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |