document.write( "Question 764295: two cars will run for 10 kilometers,car A started 7 1/2 kilometers ahead, car B started at 0kilometers, what will be the speed of two cars if they reach 10 kilometers at the same time? \n" ); document.write( "
Algebra.Com's Answer #465339 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! two cars will run for 10 kilometers, \n" ); document.write( "car A started 7 1/2 kilometers ahead, \n" ); document.write( " car B started at 0 kilometers, \n" ); document.write( " what will be the speed of two cars if they reach 10 kilometers \n" ); document.write( " at the same time? \n" ); document.write( ": \n" ); document.write( "Not enough information to find the actual speed, but we can find \n" ); document.write( "the relationship between the two speeds \n" ); document.write( " \n" ); document.write( "Cross multiply \n" ); document.write( "2.5B = 10A \n" ); document.write( "B = 10A/2.5 \n" ); document.write( "B = 4A \n" ); document.write( ": \n" ); document.write( "B's speed is 4 time A's \n" ); document.write( " |