James rode his bike 5 miles against the wind in 50 minutes and back 5 miles with the wind in 25 minutes. How strong is the wind in miles/hr (mph)?
Choose the correct choice from the following options
A) 1 mph B) 2 mph C) 3 mph D) 4 mph E) 5 mph
Explanation:   speed against the wind = (5/50) X 60 = 6 mph   with the wind = (5/25) X 60 = 12 mph   strength of wind = 1/2(12 - 6) = 6/2= 
<gadget id="calculator">6/2</gadget>
<output>3</output>
3 mph   Answer: Option 3 mph
<result>C</result>
James rode his bike 5 miles against the wind in 50 minutes and back 5 miles with the wind in 25 minutes. How strong is the wind in miles/hr (mph)?