document.write( "Question 331958: City A is 60 miles East of City B. A car leaves city a traveling East at 30 mph and at the same time a car leaves city B traveling East at 60 mph. How long will it take the car leaving from city B to catch the car leaving from city A. \n" ); document.write( "
Algebra.Com's Answer #237957 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! City A is 60 miles East of City B. \n" ); document.write( "A car leaves city A traveling East at 30 mph and at the same time a car leaves \n" ); document.write( " city B traveling East at 60 mph. \n" ); document.write( "How long will it take the car leaving from city B to catch the car leaving from city A? \n" ); document.write( ": \n" ); document.write( "B*>-60mph->-------------------A*>-30mph->----------------|**| \n" ); document.write( "|------------60 miles-----------| \n" ); document.write( ": \n" ); document.write( "let t = time for fast car to catch slow car \n" ); document.write( ": \n" ); document.write( "Write a distance equation; dist = speed * time \n" ); document.write( ": \n" ); document.write( "Fast car dist = slow car dist + 60 miles \n" ); document.write( "60t = 30t + 60 \n" ); document.write( "60t - 30t = 60 \n" ); document.write( "30t = 60 \n" ); document.write( "t = \n" ); document.write( "t = 2 hrs \n" ); document.write( "; \n" ); document.write( ": \n" ); document.write( "Check solution by finding the actual dist each car traveled \n" ); document.write( "60(2) = 120 mi \n" ); document.write( "30(2) = 60 mi \n" ); document.write( "------------------- \n" ); document.write( "diff: = 60 mi \n" ); document.write( " |