document.write( "Question 1150545: Hillary and Charlene both drove from City A to City B. At 10a, Hilary left City A and drove at an average speed of 120km/h. Charlene drove at an average speed of 144 km/h and took 50 mins. She arrived at City B at the same time as Hillary. Find the time Charlene left City A. \n" ); document.write( "
Algebra.Com's Answer #771926 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The distances are the same; the speeds are in the ratio 120:144 = 5:6. That means the times are in the ratio 6:5. \n" ); document.write( "Charlene took 50 minutes at the higher speed, so Hillary took 60 minutes. \n" ); document.write( "So Charlene took 10 minutes less than Hillary; since Hillary left at 10am, and since they arrived at the same time, Charlene left at 10:10am. \n" ); document.write( " \n" ); document.write( " |