Interpreting The Solution To An Algebraic Inequality

Water Tank

Work Time

Water Tank

A water tank contains 1,000 gallons of water. Water begins draining out of the tank at a rate of 6 gallons per minute. After a while, the tank contains less than 200 gallons of water. How long has water been draining out of the tank?

  • Solve the inequality.
  • Interpret the solution to inequality.
  • Graph the solution to the problem on the number line.

HANDOUT: Water Tank
INTERACTIVE: Graph an Inequality


Think about what the solution to the inequality should look like based on the problem situation and question.