In the following sequence: [x, y, z, 6, 8, 16, 28] each number is equal to the sum of the three numbers preceding it. What is x+y? Choose the correct choice from the following.
A) 2  B) 3  C) 4  D) 5  E) -2
lets start from z, as per the question stem   z + 6 + 8 = 16   --&gt;&gt; z= 2   similarly, y +2 + 6= 
<gadget id="calculator">+2 + 6</gadget>
<output>8</output>
8   --&gt; y= 0   similarly,, x + 0 + 2 = 6   --&gt; x = 4   hence , x+y = 4-0= 
<gadget id="calculator">4-0</gadget>
<output>4</output>
4 --&gt; x+y=4   ANSWER:4
<result>C</result>
In the following sequence: [x, y, z, 6, 8, 16, 28] each number is equal to the sum of the three numbers preceding it. What is x+y?