Question

A tank of water is losing 5 liters of water every minute. In 12 minutes, there are 90 liters remaining in the tank. How many minutes will it take for the tank to be empty?

A. 18 minutes
B. 30 minutes
C. 45 minutes
D. 78 minutes ​

Answer 1

The answer is 18 minutes.

Answer 2

A. 18 Minutes

Explanation:

5 liters of water per minute x 12 minutes = 60

60 + 90 = 150

150/5=30

30-12=18

Its either 18 or 30