Entry Exam Category: College Admission Exams
Course: Accuplacer
Exam: Accuplacer Quantitative Reasoning Algebra and Statistics Practice Test

Practice Question

If the length of a rectangle is increased by 30% and the width of the same rectangle is decreased by 30%, what is the effect on the area of the rectangle?

Answer Choices

  • A: It is increased by 60%.
  • B: It is unchanged.
  • C: It is decreased by 15%.
  • D: It is decreased by 9%.

Correct Answer: D

Rationale: New area = 1.3 * length * 0.7 * width = 0.91 * original area, a 9% decrease.

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