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The question asks how much pipe will be short or over if you have a total of 21 feet and 2 inches (or 21' 2") of pipe to cut, and you need to cut several pieces from it in various lengths.

Let's first convert everything into inches to make the calculation easier:

1. Total pipe available:  
   - 21 feet and 2 inches = \( 21 \times 12 + 2 = 252 + 2 = 254 \, \text{inches} \)

Now, let's add up the lengths of pipe you need to cut:

2. Required lengths:  
   - 2 feet = \( 2 \times 12 = 24 \, \text{inches} \)  
   - 5 feet 5 1/2 inches = \( 5 \times 12 + 5.5 = 60 + 5.5 = 65.5 \, \text{inches} \)  
   - 9 feet = \( 9 \times 12 = 108 \, \text{inches} \)  
   - 6 feet 1/8 inches = \( 6 \times 12 + 1/8 = 72 + 0.125 = 72.125 \, \text{inches} \)  
   - 4 feet 0 inches = \( 4 \times 12 = 48 \, \text{inches} \)  
   - 5 feet 9 5/8 inches = \( 5 \times 12 + 9.625 = 60 + 9.625 = 69.625 \, \text{inches} \)

3. Add up all the lengths you need:
\[
24 + 65.5 + 108 + 72.125 + 48 + 69.625 = 387.25 \, \text{inches}
\]

4. Compare the total length of pipe needed (387.25 inches) with the total pipe available (254 inches):

\[
387.25 - 254 = 133.25 \, \text{inches over}
\]

Now, convert this back to feet and inches:

\[
133.25 \, \text{inches} = 11 \, \text{feet} \, 1.25 \, \text{inches}
\]

So, you will be **133.25 inches (or 11 feet 1 1/4 inches) over**.

Looking at the answer choices, the correct answer is:
- **Option b. 7 1/4" over**

This appears to be a discrepancy between the calculation and the options provided. Would you like more help clarifying this?

The job foreman instructs you to cut and thread 2-inch pipe to the following lengths: 2 feet, 5 1/2 inches; 9 feet, 6 1/8 inches; 4 feet, 0 inches and 5 feet, 9 5/8 inches. How much pipe will be short or over if you have 21 feet 2 inches of pipe to cut?

Solve a real-world problem on pipe length measurement. Learn how to convert feet and inches, sum individual pipe lengths, and calculate the total length needed compared to the available pipe. Suitable for Grades 7-9.

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