document.write( "Question 905240: Two trains are 345 miles apart, and their speeds differ by 23 mph. Find the speed of each train if they are traveling toward each other and will meet in 3 hours \n" ); document.write( "
Algebra.Com's Answer #549105 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 345=3*(x+y) \n" ); document.write( "x+y=115 \n" ); document.write( "x-y=23 \n" ); document.write( "2x=138 \n" ); document.write( "x=69 \n" ); document.write( "y=46\r \n" ); document.write( "\n" ); document.write( "check \n" ); document.write( "345=69*t+46*t \n" ); document.write( "345=115*t \n" ); document.write( "t=3 hours \n" ); document.write( "The total time for car from b to meet the car from a is 3 hours \n" ); document.write( "d=R*t \n" ); document.write( "d=46*3 \n" ); document.write( "d=138+0 \n" ); document.write( "d=138 miles from b at 46 mph \n" ); document.write( "d=r*t \n" ); document.write( "d=69*3 \n" ); document.write( "d=207 miles from a at 69 mph \n" ); document.write( " \n" ); document.write( " |