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Water and Wastewater Treatment Plant Operator

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AVG. SALARY

$53,570

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EDUCATION

High school (GED) +

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JOB OUTLOOK

Stable

Real-Life Activities

Real-Life Math -- Solution

You are a water treatment plant operator for a small town that is considering replacing its treatment system.

1. What is the volume of the new tank?

Volume = 10 feet x 12 feet x 8 feet
Volume = 960 cubic feet

The volume of the new tank is 960 cubic feet.

2. What is the height of the old tank?

The old tank has a volume of 990 cubic feet, and is 11 feet long and 10 feet wide.

Length = 11 feet
Width = 10 feet
Volume = 990 cubic feet
Height = h

11 feet x 10 feet x h = 990 cubic feet
110 feet x h = 990 cubic feet
h = 990 cubic feet / 110 feet
h = 9 feet

The height of this tank is 9 feet.

3. Which tank has a greater volume?

The new tank is 960 cubic feet. The old tank has a greater volume of 990 cubic feet.

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