Evan ran a mile in 10 minutes Monday morning, and he ran the same mile in 8 minutes on Tuesday morning. On average, how many minutes did he take to run the mile over both days?
Choices:	A) 9	B) 18	C) 2	D) 80	E) 10
(10 + 8)/2= 
<gadget id="calculator">(10 + 8)/2</gadget>
<output>9</output>
9   The correct answer is 9
<result>A</result>
Evan ran a mile in 10 minutes Monday morning, and he ran the same mile in 8 minutes on Tuesday morning. On average, how many minutes did he take to run the mile over both days?