Portable fire extinguishers should be attached to walls in areas that are no more than ________ feet away from any employee area.

When setting up an alligation problem, strength is expressed as a:

A) Ratio. B) Decimal. C) Percentage. D) Proportion.

To measure events occurring over a period of time or to express a ratio or proportion as a percentage, one should use a(n):

A) ratio. B) rate. C) percentage. D) proportion. E) average.