Mr. and Mrs. Rivers left their house at 10:00 a.m. driving in opposite directions. Mr. Rivers drove at an average speed of 48 mph and Mrs. Rivers drove at an average speed of 36 mph. At what time will Mr. Rivers be 24 miles farther from home than Mrs. Rivers?
Mr is driving 48 - 36 mph faster than Mrs = 12 m/hr faster will take 2 hours to be 24 miles further than Mrs