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The number of gallons of water,y, in a swimming pool is modeled by the equation y=7.5x+500,where x represents the time in minutes after the pump is turned on. How many gallons of water are in the pool if the pump is on for 200 minutes.

Answer :

sqdancefan
y = 7.5*200 +500
y = 1500 +500
y = 2000

2000 gallons are in the pool 200 minutes after the pump is turned on.

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