At noon, a tank contained 5 cm of water. After several hours, it contained 4 cm of water. What is the percent decrease of wate

Question

3 years ago

10

r in the tank?

1 answer:

diamong [38] · Answer 1 · 2022-11-16T22:39:51+03:00

Answer:

20%

Step-by-step explanation:

Given parameters:

Initial volume of water = 5cm³

New volume of water = 4cm³

Unknown:

Percentage decrease of water in the tank = ?

Solution:

To find the percentage decrease;

Percentage decrease = $\frac{Old - New}{Old}$ x 100

Percentage decrease = $\frac{5-4}{5}$ x 100 = 20%

At​ noon, a tank contained 5 cm of water. After several​ hours, it contained 4 cm of water. What is the percent decrease of wate