In the United States, water used for irrigation is measured...

In the United States, water used for irrigation is measured in acre-feet. An acre-foot of water covers an acre to a depth of exactly $1 \mathrm{ft}$. An acre is $4840 \mathrm{yd}^{2}$. An acre-foot is enough water to supply two typical households for 1.00 yr. (a) If desalinated water costs $\$ 1950$ per acre-foot, how much does desalinated water cost per liter? (b) How much would it cost one household per day if it were the only source of water?

Key Concepts

Acre-foot

An acre-foot is a volumetric unit used primarily in water resource management to quantify the amount of water needed to cover one acre of land to a depth of one foot. It is essential for understanding water allocations, irrigation requirements, and large-scale water budgeting, particularly in regions like the United States.

Unit Conversion

Unit conversion is a fundamental concept in mathematics and science that involves changing measurements from one set of units to another while preserving the quantity's value. In the context of water volume, this process might involve converting acre-feet to other units such as cubic feet or liters, requiring an understanding of the relationships between different units of area and volume.

Cost Calculation

Cost calculation in this context entails determining the price per unit volume of water by dividing a total monetary cost by the volume of water. This concept is crucial for evaluating the economic feasibility of water resources, such as comparing the cost of desalinated water to other water sources or pricing water usage for households.

Household Water Consumption Analysis

Household water consumption analysis focuses on assessing the typical water usage of an average household over a given period, such as days or years. This evaluation assists in budgeting, resource allocation, and planning, especially when determining cost burdens on individual households for accessing essential water supplies.

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