A Hose Can Fill a Swimming Pool in 18 Hours

question 22

Multiple Choice

A hose can fill a swimming pool in 18 hours.Another hose needs 3 more hours to fill the pool than the two hoses combined.How long would it take the second hose to fill the pool?

• A) 9 hours
• B) 14 hours
• C) 18 hours
• D) 6 hours
• E) 12 hours

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Definitions:

Interest Expense

The cost incurred by an entity for borrowed funds over a period of time.

Externality

A consequence of an economic activity experienced by unrelated third parties; it can be positive or negative.

Sunk Cost

Expenses that have already been incurred and cannot be recovered, and should not influence future business decisions.

Operating Cash Flow

The cash generated by a company's normal business operations, indicating whether a company can maintain or grow its operations without external financing.