Jane biked 21 2/3 miles in 3 hours and 20 minutes. What was her average rate of speed in miles per hour?	Select the correct option
A) 6 1/2	B) 7	C) 7 1/2	D) 7 3/4	E) 8
D = 21(2/3) = 65/3   T = 3(1/3) = 10/3   S = D/T = 6 1/2   6 1/2nswer = 6 1/2
<result>A</result>
Jane biked 21 2/3 miles in 3 hours and 20 minutes. What was her average rate of speed in miles per hour?