The Fire Department Wants to Send Booklets on Fire Hazards $49,000$

question 178

Short Answer

The fire department wants to send booklets on fire hazards to all teachers and homeowners in town. How many booklets does it need, using these statistics? $49,000$ homeowners $5,000$ teachers $4,000$ teachers who own their own homes __________ booklets

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Definitions:

Disinfection

The process of eliminating or reducing harmful microorganisms from inanimate objects and surfaces, except for bacterial spores.

Blood Pressure Cuffs

A device used in conjunction with a sphygmomanometer to measure arterial blood pressure.

Reflex Hammers

Tools used by medical professionals, particularly in neurology, to test deep tendon reflexes as a part of the neurological physical examination to detect abnormalities in the central or peripheral nervous system.

Ultrasonic Cleaning

A method of sanitization that involves placing instruments in a cleaning solution in a receptacle that generates sound waves through the cleaning solution, loosening contaminants. Ultrasonic cleaning is safe for even very fragile instruments.