SOLUTION: Nick leaves the library 10 minutes after Nicole. if Nicole walks 4 mph and Nick walks 6 mph. how long in minutes will it take Nick to catch Nicole?

Question 927036: Nick leaves the library 10 minutes after Nicole. if Nicole walks 4 mph and Nick walks 6 mph. how long in minutes will it take Nick to catch Nicole?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
distance Nicole travels in 10 minutes:
s = d/t
d = st
d = 4 mi/hr * 1/60 hr/min * 10 min = 0.66666666666 mile
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Nick's speed relative to Nicole:
s = 6 - 4 = 2 mph
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Nick's time to catch Nicole:
t = d/s
t = 0.66666666666 mile / (2 mi/hr * 1/60 hr/min)
t = 20 minutes
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