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The question in the image involves converting a length of duct from meters to feet. Here's what it says:

You are given the length of a duct section in meters (6.4 meters) and the fact that 1 meter is equal to 3.28 feet. The task is to find the length of the duct in feet, rounded to a whole number.

To solve:

\[
\text{Length in feet} = \text{Length in meters} \times 3.28
\]

Given that the duct is 6.4 meters long:

\[
\text{Length in feet} = 6.4 \times 3.28 = 20.992 \text{ feet}
\]

Rounding 20.992 to the nearest whole number gives **21 feet**.

Would you like more details or have any other questions?

Here are some related questions for further understanding:
1. How do you convert other metric units (like kilograms to pounds)?
2. What is the importance of rounding in real-life measurements?
3. Can you explain how unit conversions are used in engineering?
4. How do you deal with precision when converting between units?
5. Why is it important to know both metric and imperial systems?

**Tip**: Always double-check your units during conversion problems to avoid mistakes, especially when dealing with mixed measurement systems!

As air is moved through a duct by a fan, friction between the air molecules and the sides of the duct creates resistance to movement. Friction loss charts are available to determine the friction loss for a given quantity of air passing through a given size of duct, per 100 feet. You know that a section of exhaust duct is 64 meters long, but you cannot determine the friction loss unless the duct length is in feet. You know that one meter is equal to 3.28 feet. How long is the 64-meter section of duct in feet? Round your answer to a whole number.

Learn how to convert a 64-meter section of duct to feet using the unit conversion factor (1 meter = 3.28 feet). This example is perfect for understanding how to apply conversion formulas when solving engineering and physics-related problems.

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