The average (arithmetic mean) of eight numbers is 43.2. If the sum of half of these numbers is 156.4, what is the average of the other half?	Choose the correct choice from the following answers.
A) 47.3
B) 51.5
C) 55.8
D) 59.2
E) 63.7
The average of this half is 156.4/4= 
<gadget id="calculator">156.4/4</gadget>
<output>39.1</output>
39.1   This is 4.1 below the overall average, thus the average of the other half of the numbers must be 4.1 above the overall age, that is 43.2+4.1= 
<gadget id="calculator">43.2+4.1</gadget>
<output>47.3</output>
47.3   The answer is 47.3.
<result>A</result>
The average (arithmetic mean) of eight numbers is 43.2. If the sum of half of these numbers is 156.4, what is the average of the other half?