Solve the Problem $40 \mathrm { yd }$ And Area $91 \mathrm { yd } ^ { 2 }$

question 156

Multiple Choice

Solve the problem.
-Find the dimensions of a rectangular enclosure with perimeter $40 \mathrm { yd }$ and area $91 \mathrm { yd } ^ { 2 }$ .

• A) \(13 \mathrm { yd }\) by \(7 \mathrm { yd }\)
• B) \(14 \mathrm { yd }\) by \(6 \mathrm { yd }\)
• C) \(16 \mathrm { yd }\) by \(7 \mathrm { yd }\)
• D) \(15 \mathrm { yd }\) by \(6 \mathrm { yd }\)

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Definitions:

Herfindahl-Hirschman Index

A measure of market concentration and competition, calculated by squaring the market share of each firm competing in a market and summing the resulting numbers.

Concentrated Industry

An economic sector characterized by a small number of firms holding a large market share, leading to reduced competition.

Fuel-efficient Cars

Vehicles designed to use less fuel for the same distance traveled compared to standard vehicles, typically through advanced technology or design.

Concentration Ratio

A measure that assesses the level of market concentration, indicating the combined market share of the top firms (usually the top 4 or 8) in the industry.