A Dentist's Office, Which Wants to Serve the Maximum Number

question 91

Multiple Choice

A dentist's office, which wants to serve the maximum number of patients given a fixed payroll, currently has two dentists and four dental hygienists. Dentists earn $60,000 a year and hygienists earn $15,000 a year. If the office is hiring the optimal combination of dentists and hygienists, and the last dentist hired served 120 additional patients, how many patients will the last hygienist hired add?

• A) 30
• B) 60
• C) 120
• D) 240
• E) 480

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Definitions:

Silent-sound Hybrid

Films that incorporate both silent and sound elements, marking the transition period from silent cinema to the introduction of sound film.

Vitaphone Technology

Refers to an early method for sound film production and presentation using analog sound-on-disc technology developed by Western Electric and Warner Bros.

Western Electric

An American electrical engineering and manufacturing company that played a crucial role in the development of sound cinema technology in the early 20th century.

Sound-on-disc

An early method of synchronizing sound for motion pictures, where the audio was recorded on a disc separately from the film.