Solving problems like the hobbit and orc problem in your textbook, which requires you to make changes and carry out several steps in order to reach a specific goal, are examples of a problem of:

a. inducing structure
b. lexical analysis
c. transformation
d. arrangement

C. transformation

Explanation:

Based on the information provided within the question it can be said that this is an example of a problem of transformation. This refers to problems that need a sequence of tasks or operations in order to change the problem into a specific goal that needed to be reached. Which like mentioned in the question is done after making the changes and carrying out the various steps.

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answer; allows decision to stand;