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    Practical Problems in Mathematics for Heating and Cooling Technicians
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    Exam 10: Combined Operations With Common Fractions
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    A Piece of Duct Measures 28 Inches
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A Piece of Duct Measures 28 Inches

Question 3

Question 3

Short Answer

A piece of duct measures 28 inches. When 2 pieces are fitted together, 1 1/2 inches are allowed on each duct for fitting. On a job, 28 1/2 pieces of ducting are used. Find in inches the length of the finished duct.

Correct Answer:

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