Sarah used the rule “Divide the length of the beam by 3 to get the number of nails needed.” Drag the numbers to the correct boxes. Numbers may be used once or not at all.

Question

(2 points)
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
Length of Beam in Inches Number of Nails
9 3
15
Length of Beam fifteen inches; Number of Nails Unknown

Length of Beam Unknown; Number of Nails Eight

8
Length of Beam Unknown; Number of NailsTen

10
39 13
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Answer 1

To calculate the number of nails needed using the rule “Divide the length of the beam by 3,” we will divide the given lengths by 3.

1. For 9 inches: \[ \text{Number of Nails} = \frac{9}{3} = 3 \]

   • Length of Beam: 9 inches
   • Number of Nails: 3

2. For 15 inches: \[ \text{Number of Nails} = \frac{15}{3} = 5 \]

   • Length of Beam: 15 inches
   • Number of Nails: 5 (not given in the options)

3. For 8 inches: \[ \text{Number of Nails} = \frac{8}{3} \approx 2.67 \text{ (rounded down to 2 nails)} \]

   • Length of Beam: 8 inches
   • Number of Nails: 2 (again not an option)

4. For 10 inches: \[ \text{Number of Nails} = \frac{10}{3} \approx 3.33 \text{ (rounded down to 3 nails)} \]

   • Length of Beam: 10 inches
   • Number of Nails: 3 (already used)

5. For 39 inches: \[ \text{Number of Nails} = \frac{39}{3} = 13 \]

   • Length of Beam: 39 inches
   • Number of Nails: 13

Summary of filled responses:

• Length of Beam in Inches: 9, 15, 39
• Number of Nails: 3, 5, 13

Based on the information aligned to your boxes:

• Length of Beam 15 inches; Number of Nails Unknown = 5 (if the option exists)
• Length of Beam 39 inches; Number of Nails = 13
• Length of Beam 9 inches; Number of Nails = 3

The mapping for the answers based on available choices should be completed accordingly.