To solve this question, we need to determine the values of the colors and then find the sum of yellow and brown.
Let's assign variables to the values of the colors:
Let:
Green = G
Blue = B
Red = R
Black = K
Yellow = Y
Brown = Br
From the given information, we have two equations:
1) G + B = 89
2) R + K = 56
We need to find the value of Y + Br.
Since we don't have direct information about the values of yellow and brown, we need to find a relationship between the variables.
Let's consider the sum of all the colors:
(G + B) + (R + K) = 89 + 56
G + B + R + K = 145
Now, let's express this sum in terms of yellow and brown:
(G + B) + (R + K) = (Y + Br) + (G + R + B + K)
Since we know the values of (G + B) and (R + K), we can substitute them in to get:
89 + 56 = (Y + Br) + 145
145 = Y + Br + 145
From this equation, we can conclude that Y + Br = 0.
Therefore, the correct answer is D) None of these, as the sum of yellow and brown is 0.