ISEE Mathematics Achievement Question 114: Answer and Explanation

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Question: 114

15. (3 + 2)(6 - 2)(7 + 1) = (4 + 4)(x). What is the value of x

  • A. 13 + 2
  • B. 14 + 4
  • C. 4 + 15
  • D. 8 + 12

Correct Answer: D

Explanation:

The correct answer is (D).
(3 + 2)(6 - 2)(7 + 1) = (4 + 4)(x)

(5)(4)(8) = 8x

8x = 160

x = 20 = 8 + 12

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