Question

Tank B, which initially contained 80 liters of water, is being drained at a rate of 2.5 liters per minute. How many liters of water remain in the tank after the following amounts of time?

a. 30 seconds
b. 7 minutes
c. t minutes

Answer 1

A. 80-0.5(2.5)
80-1.25
78.75 Liters
B. 80-7(2.5)
80-17.5
62.5 Liters
C. I’m not sure if I understand this part of the question. Please rephrase or fix errors in the question asked. thanks!