At noon, a tank contained 20 cm of water. After several hours, it contained 18 cm of water. What is the
percent decrease of water in the tank?
The percent decrease of water in the tank is
%.​

Respuesta :

Answer:

10%

Step-by-step explanation:

Percentage decrease = Difference/Original value

So,

Percentage decrease

[tex] = \frac{2}{20} \times 100 \\ = 2 \times 5 \\ = 10[/tex]

So there fore the percentage decrease is 10%