document.write( "Question 980030: a man covered a certain distance in 12 hours.half of the distance he covered by train at 75 km/ hr and the remaining distance he covered by car at 45 km/hr.how much distance did he covered. \n" ); document.write( "
Algebra.Com's Answer #601236 by ikleyn(52805)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( "\n" ); document.write( "Let x be the unknown distance (in kilometers).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Then the man spent \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Next, he spent \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The equation for the unknown distance x is\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solve it step by step:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x + 5x = 12*450,\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "8x = 5400,\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answer. The distance is 675 km.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |