The answer is 325, 20 + 205 + 100 = 325
Answer:

Step-by-step explanation:

convert mixed fraction into improper fraction.

calculate the sum of the fraction:

The answer would most commonly be C only because a square is 360 degrees and the surface area would be a 6th of that which is 60 then i multiplied it by 4 because of the four corners signaling the height and or length of the 2D figure square which gives me C.
3.305
+1.7
5.005
Line up the decimal points and add like you usually would add.
5.005 is the answer.