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18-11-2020
Mathematics

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At noon, a tank contained 5 cm of water. After several hours, it contained 3 cm of water. What is the percent decrease of water in the tank?

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jimthompson5910 jimthompson5910

18-11-2020

Answer: 40% decrease

Explanation:

The change in the water level is 5-3 = 2 cm

Divide this difference over the original amount to get 2/5 = 0.40 = 40%

So the percent decrease is 40%

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