The average of ten numbers is 7. If each number is multiplied by 10, then what is the average of the new set of numbers?	Choices:
A) 7 B) 17 C) 70 D) 100 E) 107
The sum of the ten numbers is 7*10= 
<gadget id="calculator">7*10</gadget>
<output>70</output>
70   If each number is multiplied by 10, the new sum is 10*(70).   The average is then   10*7= 
<gadget id="calculator">  10*7</gadget>
<output>70</output>
70   The answer is 70.
<result>C</result>
The average of ten numbers is 7. If each number is multiplied by 10, then what is the average of the new set of numbers?