If 17m − n = p, then which of the following represents the average (arithmetic mean) of m, n, and p, in terms of m?  Choose the correct choice from the following answers:	A) 2m −1	B) 4m	C) 6m	D) m/5	E) 6m/5
17m - n = p   Add n to both sides:   17m = n + p   Add m to both sides:   18m = n + p + m   Now, divide both sides by 3   6m = (n + p + m)/3 = the average of n, p, and m   6m
<result>C</result>
If 17m − n = p, then which of the following represents the average (arithmetic mean) of m, n, and p, in terms of m?