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 x minutes (answer as an expression)?

Answer 1

The expression for the amount of water remaining in Tank B after x minutes is 80 liters minus 2.5 liters per minute multiplied by x minutes.

Step-by-step explanation:

To determine the amount of water remaining in Tank B after x minutes, we need to use the information that Tank B was initially filled with 80 liters of water and is being drained at a rate of 2.5 liters per minute. The amount of water drained after x minutes is x minutes multiplied by the drain rate, which is x * 2.5 liters. Thus, the expression for the volume of water remaining in the tank after x minutes would be the initial volume minus the volume drained over x minutes.

The final expression for the amount of water remaining in Tank B is:

80 liters - (2.5 liters/minute * x minutes)

Answer 2

liters of water: 80

drained: 2.5 liters per minute

`80-(2.5\cdot x)=L`

x= minutes drained

L= liters of water remain