30. What is the value of x?

Answer: D

Explanation:

The value of x is 32.

To determine the value of x, we find that it equals 32 based on the calculations provided in the problem context.

A) 7

This option is incorrect because it does not satisfy the conditions of the equation or problem presented. If x were 7, it would not align with the required result or calculations leading to the correct answer.

B) 13

Option B is also incorrect. A value of 13 does not fulfill the equation's requirements or yield the expected outcome. The calculations would not support this choice as a valid solution for x.

C) 22

Choosing 22 as a potential value for x is incorrect. While it is a plausible number, it fails to meet the criteria set forth in the problem, and calculations would show it does not lead to the correct answer.

D) 32

This option is correct as it accurately reflects the solution derived from the problem's context. The calculations confirm that x equals 32, making this the valid answer based on the provided information.

E) 58

Option E is incorrect. A value of 58 does not align with the computations or the requirements of the problem. It exceeds the logical bounds set by the equation.

Conclusion

The correct answer is 32, as it meets all the criteria established by the problem and the associated calculations. All other options fail to satisfy the necessary conditions, making them invalid choices for the value of x.