Feb 6, 2009 #1 P peanut Member Joined May 31, 2008 Messages 88 Reaction score 0 Points 6 kilometers per hour. Another train? at the same time and travels south at 55 kilometer per hour. How long will it take before they 345 kilmeters apart?
kilometers per hour. Another train? at the same time and travels south at 55 kilometer per hour. How long will it take before they 345 kilmeters apart?
Feb 6, 2009 #2 H HughK New member Joined Jul 24, 2008 Messages 3 Reaction score 0 Points 1 After one hour they will be 115kms apart (55+60) Therefore after three hours they will be 345kms apart. (3x115). THE ANSWER IS 3 HOURS.
After one hour they will be 115kms apart (55+60) Therefore after three hours they will be 345kms apart. (3x115). THE ANSWER IS 3 HOURS.
Feb 6, 2009 #3 J JasonL Member Joined May 19, 2008 Messages 79 Reaction score 0 Points 6 each hour they move 60+55 = 115 km apart the time to move 345 km apart = 345 / 115 = 3 hours