SOLUTION: The water usage in a city varies directly with the population of a city. City A has a population of 225,000 people and uses an average of 28,925,000 gallons of water per day. How
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-> SOLUTION: The water usage in a city varies directly with the population of a city. City A has a population of 225,000 people and uses an average of 28,925,000 gallons of water per day. How
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Question 1058017: The water usage in a city varies directly with the population of a city. City A has a population of 225,000 people and uses an average of 28,925,000 gallons of water per day. How many gallons of water per day should we expect City B to produce if its population is 4,890,000 people?
You can put this solution on YOUR website! Let = gallons/day of water city B uses
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(1)
Divide top and bottom of the left side
by
Multiply both sides by
City B will use 628,636,666.7 gallons/day
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check:
Take the logs of both sides of (1)
(1)
(1)
(1)
OK