SOLUTION: The water usage in a city varies directly with the population of a city. City A has a population of 325,000 people and uses an average of 28,925,000 gallons of water per day. How
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Question 1087249: The water usage in a city varies directly with the population of a city. City A has a population of 325,000 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 4,890,00.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
The water usage in a city varies directly with the population of a city.
City A has a population of 325,000 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.
:
Direct variation ratio
:
let b = gal of water used by City B
=
we can simplify this
=
cross multiply
325b = 28925000*4890
325b = 1.414(10^11)
b =
b = 435,210,000 gal used by city B
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