document.write( "Question 888635: Two cars leave from a city at the same time and travel in the same direction. One car travels two and two-thirds times as fast as the other. After 1 hour, they are 50 miles apart. What are the speeds of the cars? Write and solve a system of equations. \n" ); document.write( "
Algebra.Com's Answer #537529 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! Let \n" ); document.write( " \n" ); document.write( "Let \n" ); document.write( " \n" ); document.write( "---------------------------------------- \n" ); document.write( "Equation for slower car: \n" ); document.write( "(1) \n" ); document.write( "Equation for faster car: \n" ); document.write( "(2) \n" ); document.write( "---------------------- \n" ); document.write( "Substitute (2) into (1) \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "--------------------------- \n" ); document.write( "The faster car's speed is 36.364 mi/hr \n" ); document.write( "The slower car's speed is 13.636 mi/hr \n" ); document.write( "---------------------------------- \n" ); document.write( "check: \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "(1) \n" ); document.write( "and \n" ); document.write( "(2) \n" ); document.write( "(2) \n" ); document.write( "(2) \n" ); document.write( "OK\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |