document.write( "Question 592255: One day Ayaan covered a distance of 24 km at x km/hr and another 40 km at y km/hr. Next day he covered 18 km at x km/hr and another 48 km at y km/hr. If each day he took 9 hours to complete his journey, find the corresponding values of speed of x and y. \n" ); document.write( "
Algebra.Com's Answer #375926 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! One day Mayan covered a distance of 24 km at x km/hr and another 40 km at y km/hr. \n" ); document.write( " Next day he covered 18 km at x km/hr and another 48 km at y km/hr. \n" ); document.write( " If each day he took 9 hours to complete his journey, find the corresponding values of speed of x and y. \n" ); document.write( ": \n" ); document.write( "Write a time equation for each day \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( "and \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "Multiply the 1st equation by 1.2, subtract the 2nd equation \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "---------------------------subtraction eliminates y \n" ); document.write( " \n" ); document.write( "10.8 = 1.8x \n" ); document.write( "x = \n" ); document.write( "x = 6 km/hr \n" ); document.write( ": \n" ); document.write( "Find the y using the 1st day equation \n" ); document.write( " \n" ); document.write( "4 + \n" ); document.write( " \n" ); document.write( "40 = 5y \n" ); document.write( "y = 40/5 \n" ); document.write( "y = 8 km/hr \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check solutions in the 2nd day equation \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( "3 + 6 = 9 \n" ); document.write( " \n" ); document.write( " |