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Manufacturer:
Job Training Systems, Inc.

$30.25

Course No. 84

10 hours

**Plant Mathematics – Ratio and Proportion**

The use of ratio and proportion to solve simple problems common in industry: explanation and means of expressing ratios; reducing to lower terms; forming a proportion; means and extremes; solving for unknowns in proportions; checking; proportions using verbal descriptions; and alternate and indirect proportions.

Prerequisites: *Competence with whole numbers, fractions, decimals, percents, positive and negative numbers, and simple algebra.*

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