Mathematics in The Plant: Ratio and Proportion

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Mathematics in The Plant: Ratio and Proportion


Mathematics in The Plant: Ratio and Proportion Workbook

The Mathematics in The Plant: Ratio and Proportion Workbook contains the independent study course lessons, exercises and final exam materials which must be successfully completed to earn the state assign course credit.

12 in stock (can be backordered)

Course Registration

Registration entitles students to course support. After passing the final exam the registered student will also receive an offical Continuing Education Course Certificate of Completion that will be accepted by the Texas Commission on Environmental Quality (TCEQ) for operator certification renewal for the licenses listed in the table of course details above.

Drinking Water Operator
Wastewater Operator
Water Treatment Specialist
Credit Hours:
Course ID:
Format Options:
Paper Workbook - Paper Exam

SKU: TX-084 Category: Tag:


This course covers how to use ratios and proportions to solve simple problems common in industry. It contains explanations and means of expressing ratios; reducing to lower terms; forming a proportion; means and extremes; solving for unknowns in proportions; checking; proportions using verbal description; and alternate and indirect proportions.
At the completion of this course, the student will be able to:

  • Solve simple problems using ratio and proportion
  • Explain and express ratios
  • Form a ratio and reduce to lower terms
  • Solve for unknowns, check, and solve word problems
  • Demonstrate this knowledge on a written, final exam including problems


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