A water supply reservoir has an annual capacity of 27,000 acre-feet. The present population is 55,000, which is expected to increase to 120,000 in 20 years. In how many years will the city's needs exceed the reservoir's capacity? Assume arithmetic population growth and an average daily draft from the reservoir of 155 gallons per person. Disregard losses.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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A water supply reservoir has an annual capacity of 27,000 acre-feet. The
present population is 55,000, which is expected to increase to 120,000 in 20
years. In how many years will the city's needs exceed the reservoir's
capacity? Assume arithmetic population growth and an average daily draft
from the reservoir of 155 gallons per person. Disregard losses.
Transcribed Image Text:A water supply reservoir has an annual capacity of 27,000 acre-feet. The present population is 55,000, which is expected to increase to 120,000 in 20 years. In how many years will the city's needs exceed the reservoir's capacity? Assume arithmetic population growth and an average daily draft from the reservoir of 155 gallons per person. Disregard losses.
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