document.write( "Question 640297: at 3 pm a plane leaves london to fly madrid, 1260km away. at 4 pm a plane leaves madrid to fly to london. the second plane flies 40km/h faster then the first. if the planes pass one another at 4:30 pm wat is the speed of each plane? i do not want an answer but i have no idea how to work it could you please help? \n" ); document.write( "
Algebra.Com's Answer #403128 by MathTherapy(10551)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "at 3 pm a plane leaves london to fly madrid, 1260km away. at 4 pm a plane leaves madrid to fly to london. the second plane flies 40km/h faster then the first. if the planes pass one another at 4:30 pm wat is the speed of each plane? i do not want an answer but i have no idea how to work it could you please help?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let speed of slower plane = S \n" ); document.write( "Then speed of faster plane = S + 40\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Time the slower plane takes to get to the “passing point” = 1.5 hours \n" ); document.write( "Time the faster plane takes to get to the “passing point” = ½ hour, or .5 hour\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The planes will travel a total of 1,260 km \n" ); document.write( "Therefore, distance traveled by slower plane, plus distance traveled by faster plane, equals total distance. This gives us:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solve for S and this will give you the slower plane’s speed. Add the slower plane’s speed to 40 and you have the faster plane’s speed.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Send comments and “thank-yous” to “D” at MathMadEzy@aol.com \n" ); document.write( " |