Hans Can Do 4 Loads of Laundry Per Hour,and He

question 67

Multiple Choice

Hans can do 4 loads of laundry per hour,and he can type 6 pages per hour.Maria can do 12 loads of laundry per hour,and she can type 8 pages per hour.Hans' opportunity cost of doing one load of laundry is:

• A)12 papers.
• B)8 papers.
• C)1 1/2 pages.
• D)2/3 of a page.
• E)impossible to compute without additional information.

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Definitions:

Buffer

A chemical substance that helps maintain a stable pH in a solution by neutralizing small amounts of added acid or base.

pH

A scale used to specify the acidity or basicity of an aqueous solution, with low values indicating acidity and high values, basicity.

Solutions

Homogeneous mixtures composed of two or more substances where one substance, the solute, is dissolved in another, the solvent.

Proton

A subatomic particle found in the nucleus of an atom, possessing a positive electrical charge.