Final answer:
Market demand at 25 cents per cookie, with each of the 100 students spending $9.00 on cookies, is 3,600 cookies.
Step-by-step explanation:
The question involves calculating market demand in an economics context. Given the price is $0.25 per cookie and each student spends $9.00, to find the market demand, we divide the total amount spent by the price per cookie. So, each student buys $9.00 / $0.25 = 36 cookies. Since there are 100 students, the total market demand would then be 100 * 36 = 3,600 cookies. Therefore, the correct answer to the question 'At a price of 25 cents per cookie, market demand in this class is' would be C. 3,600 cookies.Market demand at 25 cents per cookie, with each of the 100 students.