What is the average (arithmetic mean) of all the multiples of ten from 10 to 210 inclusive?	Choose the correct choice
A) 90	B) 95	C) 100	D) 105	E) 110
The multiples of ten from 10 to 190 inclusive would be an evenly spaced set with 21 terms - 10, 20, 30,.......210   So average = (First term + Last Term)/2 = (10 + 210)/2 = 220/2= 
<gadget id="calculator">220/2</gadget>
<output>110</output>
110   Hence, the correct answer is 110.
<result>E</result>
What is the average (arithmetic mean) of all the multiples of ten from 10 to 210 inclusive?