The average of ten numbers is 8. If each number is multiplied by 8, then what is the average of the new set of numbers?  Pick one:
A) 8
B) 16
C) 64
D) 80
E) 88
The sum of the ten numbers is 8*10= 
<gadget id="calculator">8*10</gadget>
<output>80</output>
80   If each number is multiplied by 8, the new sum is 8*(80).   The average is then   8*8= 
<gadget id="calculator">  8*8</gadget>
<output>64</output>
64   The answer is 64.
<result>C</result>
The average of ten numbers is 8. If each number is multiplied by 8, then what is the average of the new set of numbers?