document.write( "Question 129756: hi sir pls help me
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document.write( " A motorist drove 2 hours at one speed and then for 3 hours at another speed . He covered a distance of 252Km. If he had travelled 4 hours at the first speed and 1 hour at the second speed , he would have covered 244Km . Find two speeds ? ANS-[48 ,52] \n" );
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Algebra.Com's Answer #94732 by amine(11)![]() ![]() ![]() You can put this solution on YOUR website! we suppose that X and Y are the two speeds then \n" ); document.write( "we have 2X+3Y=252 & 4X+1Y=244\r \n" ); document.write( "\n" ); document.write( "I think now you can solve this two question alone but I give the solution \n" ); document.write( "the first speed is X=48km/h \n" ); document.write( "the second speed is Y=52km/h\r \n" ); document.write( "\n" ); document.write( "Sheers and Good Luck \n" ); document.write( "Mourad \n" ); document.write( " |