A Boat Travels Upstream and After One Hour Has Gone

question 55

Multiple Choice

A boat travels upstream and after one hour has gone 8 km.The boat next travels downstream and after one hour has gone 14 km.If the boat's speed relative to the water is constant,what is the speed of the current in the river?
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• A) 2 km/h
• B) 3 km/h
• C) 4 km/h
• D) 5 km/h
• E) ​6 km/h

Understand the relevance of culture and social class in social work assessments.

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Identify the anatomical structure and function of key parts of the digestive system.

Explain the processes involved in the digestion and absorption of nutrients.

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Definitions:

Lease Price

The amount of money paid for the temporary use of a good, property, or piece of equipment.

Optimal Output

The level of production that maximizes a firm's profit or minimizes its cost under given conditions.

Market Demand

The total quantity of a product or service that all consumers in a market are willing and able to purchase at various prices.

Marginal Cost

The cost of producing an additional unit of output, highlighting the concept of increasing or decreasing returns.