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Difficulty: EasyUnit Rates

A naval supply ship pumps 3,6003,600 gallons of fresh water into a destroyer's holding tanks over the course of 44 hours. At what constant rate, in gallons per hour, is the water being pumped?

Answer: 900 gallons per hour

Answer

900
To find the rate in gallons per hour, the total number of gallons (3,6003,600) is divided by the total number of hours (44), resulting in 900900 gallons per hour.

Step-by-Step Solution

1
Identify the total quantity and the total time given in the scenario.
Total quantity = 3,6003,600 gallons. Total time = 44 hours.
A unit rate requires knowing both the total amount and the corresponding time frame.
2
Divide the total gallons by the total hours to find the unit rate.
3,600÷4=9003,600 \div 4 = 900
Dividing the total amount by the number of hours yields the amount per single hour.

Key Concept

Calculating a basic unit rate by dividing a total quantity by a total time.
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Topics

Unit Rates

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