Water is pumped out of a 500-gallon tank at a rate of 2.5 gallons per second. The inequality 500-2.5t

Complete question :

Water is pumped out of a 500-gallon tank at a rate of 2.5 gallons per second. The inequality 500−2.5t<100 can be used to determine the time t in seconds, after which there will be less than 100 gallons of water remaining in the tank.

t < 160

Step-by-step explanation:

Given the inequality :

500−2.5t<100

-2.5t < 100 - 500

-2.5t < - 400

Divide both sides by 2.5

2.5t /2.5 < 400 / 2.5

t < 160

The time in seconds it takes to for there to be less than 100 gallons of water is 160s

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