The average of 9 numbers is 8 and the average of 7 other numbers is 6. What is the average of all 16 numbers?
Choose the correct choice from the following
A) 9  B) 8  C) 7 1⁄8  D) 7 1⁄2  E) 7 1⁄4
The average of 9 numbers is 8....   The sum of those numbers is (9)(8) = 72.   The average of 7 other numbers is 6....   The sum of those numbers is (7)(6) = 42   The sum of ALL 16 numbers is 72+42= 
<gadget id="calculator">72+42</gadget>
<output>114</output>
114. The average of those numbers is 114/16= 57/8 = 7 1/8.   Final Answer:   [Reveal]Spoiler:   7 1⁄8
<result>C</result>
The average of 9 numbers is 8 and the average of 7 other numbers is 6. What is the average of all 16 numbers?