ISEE Mathematics Achievement Question 300: Answer and Explanation

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Question: 300

2. Fatty's Burger wants to attract more customers by increasing the size of its patties. From now on Fatty's patties are going to be 4 ounces larger than before. If the size of its new patty is 16 ounces, by approximately what percent has the patty increased?

  • A. 25%
  • B. 27%
  • C. 33%
  • D. 75%

Correct Answer: C

Explanation:

C The question is testing percent change since it asks by what percent did the patty increase? To find percent change, use this formula: % change = × 100. The change in patty size is 4, which is given in the question. The new patty size is 16 oz, so the original patty size must have been 12 oz since 16 - 4 = 12. The equation will read × 100, which reduces to × 100 = = 33. The correct answer is (C).

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