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Let x be the height of the flagpole.
Based on similar triangles, we know that the height of the flagpole divided by the height of the mirror (x/60) is equal to the distance from the mirror to Michele's eyes divided by the distance from the mirror to Michele's feet (5/12).
Thus, we can set up the following equation:
x/60 = 5/12
To solve for x, we can cross-multiply:
12x = 60 * 5
12x = 300
Dividing both sides by 12:
x = 25
Therefore, the height of the flagpole is 25 feet.
The answer is c. 25 ft.