To find the difference between the biggest improvement and the smallest improvement based on the provided data:
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Identify the improvements:
- 1/2 (1 inch)
- 3/4 (4 inches)
- 1 (1 inch)
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From the values, we can see that the improvements in inches are:
- 1/2 is 1 inch
- 3/4 is 4 inches
- 1 is 1 inch
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The smallest improvement is 1 inch (from both 1/2 and 1).
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The biggest improvement is 4 inches (from 3/4).
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Now, calculate the difference between the biggest improvement (4 inches) and the smallest improvement (1 inch): \[ 4 , \text{inches} - 1 , \text{inch} = 3 , \text{inches} \]
So, the difference between the biggest improvement and the smallest improvement is 3 inches.