A Rectangular Pool Is 40 Feet Wide and 65 Feet

question 85

Multiple Choice

A rectangular pool is 40 feet wide and 65 feet long. It is surrounded on all four sides by a wooden deck of fixed width. The total area enclosed within the perimeter of the deck is 2794 square feet. What is the width of the deck?

• A)8 feet
• B)3 feet
• C)4 feet
• D)11 feet
• E)9 feet

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Definitions:

Standard Deviation

Standard deviation is a statistical measure of the dispersion or variability of a set of data points around the mean.

Expected Return

The average of all possible returns from an investment, weighted by their respective probabilities.

Cyclical Stock

Stocks whose prices are affected by macroeconomic changes in the economy.

Countercyclical Stock

Shares of companies that tend to perform well during economic downturns because they offer goods or services that remain in demand.