document.write( "Question 514292: two cars started from the same point and traveling in opposite direction.one traveld at the half the speed of the other.After 5 hours they were 600 km apart.What is the sepeed of the faster car? \n" ); document.write( "
Algebra.Com's Answer #343375 by stanbon(75887) ![]() You can put this solution on YOUR website! Two cars started from the same point and traveled in opposite directions. \n" ); document.write( "One traveled at half the speed of the other. \n" ); document.write( "After 5 hours they were 600 km apart. \n" ); document.write( "What is the speed of the faster car? \n" ); document.write( "------ \n" ); document.write( "Slow car DATA: \n" ); document.write( "rate = r ; time = 5 hrs ; distance = r*t = 5r km \n" ); document.write( "--- \n" ); document.write( "Fast car DATA: \n" ); document.write( "rate = 2r ; time = 5 hrs ; distance = 2r*5 km \n" ); document.write( "--- \n" ); document.write( "Equation: \n" ); document.write( "distance + distance = 600 km \n" ); document.write( "5r + 10r = 600 \n" ); document.write( "15r = 600 \n" ); document.write( "r = 40 km/hr (speed of the sloper car) \n" ); document.write( "======================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=========== \n" ); document.write( " |