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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