SSAT Math Question 625: Answer and Explanation

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Question: 625

6. If p pieces of candy costs c cents, then in terms of p and c, 10 pieces of candy will cost

  • A. cents.
  • B. cents.
  • C. 10pc cents.
  • D. cents.

Correct Answer: B

Explanation:

This is a Plugging In question because there are variables in the choices and the question stem contains the phrase in terms of. Plug In a value, work through the problem to find a target answer, and then check each of the choices to see which yields the target answer. For instance, say that p pieces of candy is equal to 5 pieces, and c cents is 10 cents. Therefore, 10 pieces of candy will cost 20 cents-you have twice as many pieces, so it will cost twice as much money. So, the target answer is 20. Now, Plug In your values for p and c into the choices to find the choice that equals your target answer (20). Eliminate (A) because = = 5, which is too small. = = 20, so keep (B). Remember to check the remaining choices when Plugging In. Cross off (C) because 10(5)(10) = 500, which is way too large. = = 5, so eliminate (D) as well. Finally, eliminate (E) because 10 + 5 + 10 or 25 ≠ 20. The correct answer is (B).

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