Question 163701: Ellen and Kate are traveling from the school to the library.
The both left at 3:00 and followed the same path.
Ellen is traveling at 12mph
Kate is traveling at 9mph
Ellen arrives 15 minutes before Kate
What time does Kate arrive?
I tried but couldn't get too far.
Rate (r) Time (t) Distance (d)
Kate 9 MPH t 9t
Ellen 12 MPH t-15 Min 12t-15