ISEE Mathematics Achievement Question 78: Answer and Explanation

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Test Information

Question: 78

8. 100 - x = 52. What is the value of x

  • A. 75
  • B. 50
  • C. 25
  • D. 5

Correct Answer: A

Explanation:

The correct answer is (A). To square a number, multiply it by itself.

100 - x = 52

100 - x = 5 × 5

100 - x = 25

100 - 25 = x

x = 75

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