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Tim’s bathtub contains 75 gallons of water. Tim is drawing water from the tub at a rate of 1.5 gallons per minute. If Tim wants to keep at least 20 gallons of water in the tub, which inequality could be used to determine the number of minutes he will need to drain the water

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egrigg2010

Answer: 75 - 1.5g ≥ 20

Step-by-step explanation: For this problem we will write an inequality to represent this situation.

Let g = gallons per minute.

75 - 1.5g ≥ 20

The inequality above represents this situation because it states that if you start with 75 gallons in the bathtub and are draining 1.5 gallons per minute, you must leave at least 20 gallons or more.

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