SOLUTION: Ellen and Kate raced on their bicycles to the library after school. They both left school at 3:00 P.M. and bicycled along the same path. Ellen rode at a speed of 12 miles per hour

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Question 353996: Ellen and Kate raced on their bicycles to the library after school. They both left school at 3:00 P.M. and bicycled along the same path. Ellen rode at a speed of 12 miles per hour and Kate rode at 9 miles per hour. Ellen got to the library 15 minutes before Kate. At what time did Ellen get to the library?
please help me!!!
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
distance = rate * time ___ they traveled the same distance ___ 15 min is 1/4 hr

12 * t = 9 * [t + (1/4)]