SAT Math Multiple Choice Question 63: Answer and Explanation

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Question: 63

3. Syed took out a cash advance of d dollars from a financing company. The company deducts a fee of of the original advanced amount along with a wire transfer fee of $30.00. Which of the following represents the final advanced amount that Syed receives after all applied fees, in dollars?

  • A. d - 30
  • B. (d - 30)
  • C. (d - 30)
  • D. d - 30

Correct Answer: D

Explanation:

D Whenever there are variables in the question, plug in. Be sure to plug in a number that is divisible by 3. Let d = 300. of the original amount of $300 is $100, and that is deducted by the company, leaving Syed with $200. Now, subtract the wire transfer fee to get $200 - $30 = $170, which is the target number. Plug in 300 for d in the answers to see which answer is equal to the target number of 170. In (A), (300) - 30 = 70. This is not the target number, so eliminate (A). Likewise in (B), (300 - 30) = 90, and in (C), (300 - 30) = 180. Neither of these is the target number, so eliminate (B) and (C). In (D), (300) - 30 = 170, which is the target number. The correct answer is (D).

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