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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