Find the average of first 8 multiples of 5? Choose the correct option
A) 10  B) 15  C) 12.5  D) 22.5  E) 21
average = (5+10+15+20+25+30+35+40)/8= 
<gadget id="calculator">(5+10+15+20+25+30+35+40)/8</gadget>
<output>45/2 = around 22.5</output>
22.5   Answer is 22.5
<result>D</result>
Find the average of first 8 multiples of 5?