SOLUTION: The water usage in a city varies directly with the population of a city. City A has a population of 315,000 people and uses an average of 14,251,000 gallons of water per day. How

Algebra ->  Average -> SOLUTION: The water usage in a city varies directly with the population of a city. City A has a population of 315,000 people and uses an average of 14,251,000 gallons of water per day. How      Log On


   

Question 1085124: The water usage in a city varies directly with the population of a city. City A has a population of 315,000 people and uses an average of 14,251,000 gallons of water per day. How many gallons of water per day should we expect City B to produce if its population is 1,240,000 people?
Answer by ikleyn(52798) About Me  (Show Source):
You can put this solution on YOUR website!
.
Use the proportion

315000%2F14251000 = 1240000%2Fx,

where x is the unknown amount of water in gallons per day for the city B.


Solve the proportion for x: x = %2814251000%2A1240000%29%2F315000.


Use your calculator.

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