Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.

Q: Problem: how many multiples of 4 are there between 12 and 104, inclusive ?
Options: a. 21, b. 22, c. 23, d. 24, e. 25

A: d
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Q: Problem: what is the value of n if the sum of the consecutive odd intergers y from 1 to n equals 169 ?
Options: a. 47, b. 25, c. 37, d. 33, e. 29

A: b
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Q: Problem: huey ' s hip pizza sells two sizes of square pizzas: a small pizza that measures 12 inches on a side and costs $ 10, and a large pizza that measures 18 inches on a side and costs $ 20. if two friends go to huey ' s with $ 30 apiece, how many more square inches of pizza can they buy if they pool their money than if they each purchase pizza alone ?
Options: a. 5 square inches, b. 36 square inches, c. 15 square inches, d. 25 square inches, e. 350 square inches

A:
b
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