Economics question

Need detailed explanation for question 3.

Explanation of how to do question 3. Answer is provided, but student does not understand how they got to the answer and how the got those points on the new graph. This is for an intermediate microeconomic class.

The figures for question 3 are on the first handwritten page.

It is question 3, there are drawn graphs on page 6 (first page with handwritting) to use for the question. Then the Answer the professor provided is on a later page but indicated with a cirlced 3 at the top