Posted by misty on Wednesday, February 2, 2011 at 10:46pm.
it takes 35 minutes for mr morrison to drive 25 miles to work. rounded to the nearest mile per hour, what is the speed in miles per hour?

math  helper, Wednesday, February 2, 2011 at 10:52pm
D = RT (Distance = Rate x Time)
R = D/T
35 min = .58 hour (35/60)
D = 25 mi, T = .58 h
R = 25/.58 = 43.10 mph
to nearest mph = 43 mph

math  Ms. Sue, Wednesday, February 2, 2011 at 10:53pm
25/35 = x/60
35x = 1500
x = 42.85 = 43
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