Ethan Takes 7 Hours to Finish 3 Assignments

question 23

Multiple Choice

Ethan takes 7 hours to finish 3 assignments. What is his productivity per assignment?

• A) 0.4 assignments per hour.
• B) 1.5 assignments per hour.
• C) 2.3 assignments per hour.
• D) 3 assignments per hour.
• E) His productivity cannot be determined from the information given.

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Definitions:

Zeitgeber

Environmental event that entrains biological rhythms; German for “time giver.”

Entrained

The synchronization of an organism's circadian rhythms to that of an external rhythm in its environment.

Biological Rhythms

Natural cycles of physical, mental, and behavioral changes that follow a periodic, predictable pattern, such as circadian rhythms or menstrual cycles.

Earth Orbiting

The path followed by an object, such as a satellite, as it revolves around the Earth under the influence of gravitational force.