If the average (arithmetic mean) of the four numbers K, 2K + 3, 3K – 4 and 5K + 1 is 63, what is the value of K?
Choose the correct choice from the following answers:
A) 22 10/11 B) 15 3/4 C) 22 D) 23 E) 25 3/10
K + 2K +3 + 3K - 4 + 5K +1 = 11K   (11K -1)/4 = 63   11K = 63 * 4= 
<gadget id="calculator">63 * 4</gadget>
<output>252</output>
252   K= 252 / 11 = 22 10/11   22 10/11nswer 22 10/11.
<result>A</result>
If the average (arithmetic mean) of the four numbers K, 2K + 3, 3K – 4 and 5K + 1 is 63, what is the value of K?