On a normal day Bill usually averages about 15 mph when riding his bicycle. On a windy day, his speed is reduced by 4 mph. How far can Bill travel on a windy day in 21 minutes? Round to the nearest hundredth.
Choices
A) 2 miles B) 2.25 miles C) 3.25 miles D) 3.85 miles E) 2.85 miles
15 mph - 4 mph= 11 mph   11 mph x (21/60)= 3.85 miles   Answer 3.85 miles
<result>D</result>
On a normal day Bill usually averages about 15 mph when riding his bicycle. On a windy day, his speed is reduced by 4 mph. How far can Bill travel on a windy day in 21 minutes? Round to the nearest hundredth.