Final answer:
The total number of pounds of turkey Ray has to slice up today is 10.5 pounds.
Step-by-step explanation:
To find the total number of pounds of turkey Ray has to slice up today, we need to solve the equation x - 3.2 = 7.3 for x. Adding 3.2 to both sides of the equation gives us x = 7.3 + 3.2. Evaluating the right side of the equation gives us x = 10.5 pounds. Therefore, the total number of pounds of turkey Ray has to slice up today is 10.5 pounds. Therefore, the correct answer is A. 10.5.