Below are the following metrics for phoenix. What is the total water used by the people...
Below are the following metrics for phoenix. What is the total water used by the people in arizona for a whole year?
- Population: 6,731,484 persons
- GNP: $25,680 per capita
- Household water use: 100 Gallons per day
- Number of persons per household: 2.67
Using IPAT equation
Homework Answers
Solution
|
Household water use per day (gallons) |
100 |
|
Number of persons per household: |
2.67 |
|
Water use per person per day |
100/2.67 |
|
= 37.4532 |
|
|
Water use per person per annum |
365 x 37.4532 |
|
= 13670.41199 |
|
|
Arizona Population:(persons) |
67,31,484 |
|
Total water used by the people in Arizona for a whole year |
6731484 x 6731484 |
|
= 92022159551 gallons |
|
|
Answer |
100 Gallons per household per day / 2.67 people per household = 37.4532 gallons per day water use per person * 365 days per year = 13,670.412 gallons of water used per person per year * 6,731,484 population of Arizona = 9.202 *10^10 gallons of water used by the people of Arizona for a whole year.
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