document.write( "Question 892706: a car travels 30 kph fster than a truck, the car covers 540km in 3 hrs les than the time it takes the truck to travel the same distance how fast does the car travel \n" ); document.write( "
Algebra.Com's Answer #540713 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! Assign some variables for RT=D, uniform rates travel, rate time distance.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "r = rate of truck \n" ); document.write( "r+30 = rate of car \n" ); document.write( "d = distance truck travels\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "___________________speed________time________distance_____EQUATIONS \n" ); document.write( "CAR________________r+30_________t-3_________540__________ \n" ); document.write( "TRUCK_______________r____________t__________540__________ \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The rest of the solving process is arithmetic or algebraic steps. \n" ); document.write( "Two equations in two unknowns r and t. The system is not linear; \n" ); document.write( "a couple of substitutions will be needed during the process. \n" ); document.write( " \n" ); document.write( " |