Questions: The relationship between the time in minutes and pieces of bamboo eaten is proportional. Ling ling, the panda, can eat 6 pieces of bamboo in 4 minutes. Find the constant of proportionality.

The relationship between the time in minutes and pieces of bamboo eaten is proportional. Ling ling, the panda, can eat 6 pieces of bamboo in 4 minutes.

Find the constant of proportionality.
Transcript text: The relationship between the time in minutes and pieces of bamboo eaten is proportional. Ling ling, the panda, can eat 6 pieces of bamboo in 4 minutes. Find the constant of proportionality.
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Solution

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Solution Steps

Step 1: Determine the constant of proportionality

The relationship between time x x (in minutes) and pieces of bamboo y y is proportional. This means: y=kx y = kx where k k is the constant of proportionality.

Given that Ling Ling eats 6 pieces of bamboo in 4 minutes, we can substitute x=4 x = 4 and y=6 y = 6 into the equation: 6=k4 6 = k \cdot 4 Solving for k k : k=64=1.5 k = \frac{6}{4} = 1.5 The constant of proportionality is k=1.5 k = 1.5 .


Step 2: Fill in the table

Using the equation y=1.5x y = 1.5x , we can calculate the missing values in the table:

  1. For x=0 x = 0 : y=1.50=0 y = 1.5 \cdot 0 = 0
  2. For x=1 x = 1 : y=1.51=1.5 y = 1.5 \cdot 1 = 1.5
  3. For x=2 x = 2 : y=1.52=3 y = 1.5 \cdot 2 = 3
  4. For x=3 x = 3 : y=1.53=4.5 y = 1.5 \cdot 3 = 4.5
  5. For x=4 x = 4 : y=1.54=6 y = 1.5 \cdot 4 = 6

The completed table is:

\begin{tabular}{|c|c|} \hline Time in Minutes, \( x \) & Pieces of Bamboo, \( y \) \\ \hline 0 & 0 \\ \hline 1 & 1.5 \\ \hline 2 & 3 \\ \hline 3 & 4.5 \\ \hline 4 & 6 \\ \hline \end{tabular}


Final Answer

The constant of proportionality is: k=1.5 \boxed{k = 1.5}

The completed table is: \boxed{ \begin{tabular}{|c|c|} \hline Time in Minutes, \( x \) & Pieces of Bamboo, \( y \) \\ \hline 0 & 0 \\ \hline 1 & 1.5 \\ \hline 2 & 3 \\ \hline 3 & 4.5 \\ \hline 4 & 6 \\ \hline \end{tabular} }

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