Question

A tank at a factory contains water. Workers are draining the tank at a constant rate. After 37 minutes of being drained, the tank ca

After 58 minutes, the tank contains 294 liters of water.
(a) Choose the statement that best describes how the time and the amount of water in the tank are related. Then fill in the
blank.
As time increases, the amount of water in the tank decreases.
The amount of water in the tank decreases at a rate of 12 liters per minute.
As time increases, the amount of water in the tank increases.
The amount of water in the tank increases at a rate of liters per minute.
(b) How much water did the tank contain when the workers started draining it?

Answer 1

Answer: (a) The statement "As time increases, the amount of water in the tank decreases" best describes the relationship. The amount of water in the tank decreases at a rate of 12 liters per minute.

(b) To find out how much water the tank contained when the workers started draining it, you can calculate the initial amount by subtracting the total drained in 37 minutes (12 liters/minute * 37 minutes) from the amount after 58 minutes (294 liters).

Explanation: