The average (arithmetic mean) of eight numbers is 41.5. If the sum of half of these numbers is 152.4, what is the average of the other half? Options:  A) 35.5  B) 38.7  C) 41.2  D) 44.9  E) 47.5
The average of this half is 152.4/4= 
<gadget id="calculator">152.4/4</gadget>
<output>38.1</output>
38.1   This is 3.4 below the overall average, thus the average of the other half of the numbers must be 3.4 above the overall age, that is 41.5+3.4= 
<gadget id="calculator">41.5+3.4</gadget>
<output>44.9</output>
44.9   The answer is 44.9.
<result>D</result>
The average (arithmetic mean) of eight numbers is 41.5. If the sum of half of these numbers is 152.4, what is the average of the other half?