If the average of 42, 87, 36, 78, 99, 22, and x is 59, what is x?  Answers.
A) 49	B) 42	C) 59	D) 78	E) 44
The answer is 49, because:   (42+87+36+78+99+22+x)/7=59   (42+87+36+78+99+22+x)/7 *7 = 59*7   (42+87+36+78+99+22+x)= 413   (42+87+36+78+99+22+x)-364 = 413-364= 
<gadget id="calculator">413-364</gadget>
<output>49</output>
49,   so the correct answer is 49, 49.
<result>A</result>
If the average of 42, 87, 36, 78, 99, 22, and x is 59, what is x?