ISEE Mathematics Achievement Question 22: Answer and Explanation

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Test Information

Question: 22

8. r = 35 - (3 + 6)(-n)

n = 2

r =

  • A. $53.00
  • B. $17.00
  • C. ($17.00)
  • D. ($53.00)

Correct Answer: A

Explanation:

The correct answer is (A).

r = 35 - (9)(-n)

r = 35 - (9)(-2)

r = 35 - (-18)

r = 35 + 18 = 53

To subtract signed numbers, change the sign of the subtrahend and proceed as in algebraic addition.

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