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

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?

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = gallons/day of water city B uses
-----------------
(1)
Divide top and bottom of the left side
by

Multiply both sides by

City B will use 628,636,666.7 gallons/day
---------------------------------------
check:
Take the logs of both sides of (1)
(1)
(1)
(1)
OK

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