If a Process Kills 90% of the Organisms Per Minute

question 23

Multiple Choice

If a process kills 90% of the organisms per minute, how many minutes would it take to kill all organisms when starting with 100,000 organisms?

• A) 6 minutes
• B) 3 minutes
• C) 2 minutes
• D) 1 minute
• E) 60 minutes

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Definitions:

Marginal Cost

Marginal cost is the change in total cost that arises when the quantity produced is incremented by one unit.

Product-variety Externality

The impact on consumers and producers resulting from an increase or decrease in the variety of products available in the market.

Consumer Surplus

The difference between what consumers are willing to pay for a good or service and what they actually pay.

Producer Surplus

The amount a seller is paid for a good minus the seller’s cost of providing it.