10 people attended class on Monday, 15 on Tuesday, and 10 on each day from Wednesday through Friday. What was the average number of people who attended class each day?
A total of 10 + 15 + 10 + 10 + 10 = 
<gadget id="calculator">10+15+10+10+10</gadget>
<output>55</output>
55 people attended class across the 5 days.
An average of 55 people / 5 days = 
<gadget id="calculator">55/5</gadget>
<output>11</output>
11 people per day attended class.

<result>11</result>