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## A tank that holds up 10 gallons. when its active, a drain empties water from the tank at a constant rate, when Jada first see the tank, it c

Question

A tank that holds up 10 gallons. when its active, a drain empties water from the tank at a constant rate, when Jada first see the tank, it contains 7 gallons of water. three minute later the tank contains five gallons of water.

At what constant/rate is the amount of water changing in the tank?

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Mathematics
3 years
2021-07-22T15:33:18+00:00
2021-07-22T15:33:18+00:00 1 Answers
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## Answers ( )

Answer:-2/3 gallon/minute

Step-by-step explanation:In three minutes the water volume has decreased by 2 gallons (7 less 5 is 2). The unit rate of decrease of the amount of water in the tank is thus:

– 2 gallons

——————- = -2/3 gallon/minute

3 minutes