document.write( "Question 885335: A car travels 20 kph faster than the truck. The car covers 350 km in two hours less than the time it takes the truck to travel the same distance. What is the speed of the car? How about the track? \n" ); document.write( "
Algebra.Com's Answer #535072 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! r = speed of truck \n" ); document.write( "t = time for the truck\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "__________________speed___________time__________distance____Equations \n" ); document.write( "CAR_______________r+20____________t-2___________350_________ \n" ); document.write( "TRUCK______________r______________t_____________350___________ \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The system of equations will produce a quadratic equation, and you will need the truck's equation for substitution two ways. \n" ); document.write( " |