Question 537206: how long does it take to drive 872 miles at a average of 55 MPH?
Answer by lmeeks54(111)   (Show Source):
You can put this solution on YOUR website! The basic formula linking time, speed (also called rate), and distance is:
...
d = r * t, where:
d = distance
r = rate (speed)
t = time
...
givens in this problem:
d = 872 miles
r = 55 mph
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rewrite d = r * t to solve for t:
t = d / r
...
t = 872 miles/55 miles/hour
t = 15.85 hours
...
cheers,
Lee
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