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Justin is filling his fish tank with water. It takes him 3 minutes to fill the tank with 10 liters of water. How long will it take him to fill his tank if it holds 80 liters of water?

Answer :

Final answer:

To fill an 80-liter tank with water, it will take Justin 240 minutes


Explanation:

Justin takes 3 minutes to fill the tank with 1 liter of water. To find out how long it will take him to fill the tank with 80 liters of water, we can use a proportion.

Let x be the number of minutes it will take.

3 minutes / 1 liter = x minutes / 80 liters

Simplifying the proportion, we get x = (3 minutes * 80 liters) / 1 liter = 240 minutes.

Therefore, it will take Justin 240 minutes to fill his 80-liter tank with water.


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