The average of 9 numbers is 7 and the average of 7 other numbers is 6. What is the average of all 16 numbers?  Choose the correct choice from the following answers.
A) 6 9/16  B) 8  C) 7 7⁄8  D) 7 1⁄2  E) 7 1⁄4
The average of 9 numbers is 7....   The sum of those numbers is (9)(7) = 63.   The average of 7 other numbers is 6....   The sum of those numbers is (7)(6) = 42   The sum of ALL 16 numbers is 63+42= 
<gadget id="calculator">63+42</gadget>
<output>105</output>
105. The average of those numbers is 105/16= 6 9/16.   Final 6 9/16nswer:   [Reveal]Spoiler:   6 9/16
<result>A</result>
The average of 9 numbers is 7 and the average of 7 other numbers is 6. What is the average of all 16 numbers?