Use the Distance Formula

question 179

Multiple Choice

Use the distance formula.
-A contestant in a 20-mile race finished in 5 hours. What was her average rate during the race? (Round to the nearest tenth, if necessary.)

• A) 15 mph
• B) 100 mph
• C) 0.3 mph
• D) 4.0 mph

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Definitions:

Efficient

In economic terms, relates to an allocation of resources in which it is impossible to make any one individual better off without making at least one individual worse off.

Opportunity Cost

Opportunity cost represents the value of the best alternative forgone when a decision is made to choose one option over another.

Parking Permit

A document or label allowing a vehicle to be parked in a designated area or facility.

Opportunity Cost

The expense associated with not choosing the second-best option when a decision or choice is made.