A tank starts with 300 liters of water. It is being drained at a rate of 3 liters of water per minute. The variable t represents the time in minutes.

Question

Write an expression to represent the amount of water in the tank after t minutes.

Answer 1

To represent the amount of water in the tank after \( t \) minutes, we can start with the initial amount of water, which is 300 liters. Since water is being drained from the tank at a rate of 3 liters per minute, the amount of water drained after \( t \) minutes is \( 3t \) liters.

The expression for the amount of water left in the tank after \( t \) minutes is:

\[ 300 - 3t \]

So, the amount of water in the tank after \( t \) minutes is given by the expression \( 300 - 3t \).