Evaluate the Expression $\frac { 8 } { 9 } \div \left( \frac { 7 } { 5 } + \frac { 7 } { 10 } \right)$

question 146

Multiple Choice

Evaluate the expression.
- $\frac { 8 } { 9 } \div \left( \frac { 7 } { 5 } + \frac { 7 } { 10 } \right)$

• A) \(\frac { 40 } { 63 }\)
• B) \(\frac { 80 } { 189 }\)
• C) \(\frac { 10 } { 189 }\)
• D) \(\frac { 40 } { 49 }\)

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Definitions:

X-Inefficiency

The difference between efficient production levels and actual production due to mismanagement, lack of competitive pressure, or other organizational inefficiencies.

Pure Competition

A market structure characterized by an extremely large number of sellers and buyers where no single participant has the market power to influence product prices.

Oligopoly

A market structure characterized by a small number of firms controlling a large portion of the market share, often leading to limited competition.

Monopolistic Competition

A market structure characterized by many firms offering products that are similar but not identical, leading to competition based on quality, price, and marketing.