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13 August, 20:17

At noon, a tank contained 8 cm of water. After several hours, it contained 4 cm of water. What is the percent decrease of water in the tank?

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  1. 13 August, 22:17
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    50%

    Step-by-step explanation:

    The water decreased by 50% because the water started at 8 cm and went down to 4 cm. Half of 8 is 4, or if you multiply 8 by. 5, or 50%, you get 4.
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