Question 767874
Distance = rate x time


Curtis' distance = 12 miles {rate x time}
Curtis' rate = 4 mph
Curtis' time = 3 hours


Karly's distance = 27 miles {rate x time}
Karly's rate = 9 mph
Karly's time = 3 hours


In 3 hours Karly will have traveled 27 miles and Curtis will have traveled 12 miles.


Therefore, the distance between them, after 3 hours, will be 15 miles.
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