Choose the One Alternative That Best Completes the Statement or Answers

question 92

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-Suppose that a merchant buys a patio set from the wholesaler for $260. At what price should the merchant mark the patio set so that it may be offered at a discount of 25% but still give the merchant
A 20% profit on his $260 investment?

• A) $325
• B) $416
• C) $377
• D) $312

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Definitions:

Tracheal Tubes

A network of air tubes in insects and some terrestrial arthropods that allow for efficient gas exchange directly with body tissues.

Gills

Respiratory organs found in many aquatic organisms, which extract oxygen from water and expel carbon dioxide.

Lungs

Organs of respiration in vertebrates where blood exchanges oxygen and carbon dioxide with the air breathed in.

Gas Exchange

The biological process through which organisms exchange oxygen and carbon dioxide with their surroundings, essential for respiration.