Question

on monday, derek walked 7.89 kilometers. on tuesday, he walked 1.89 kilometers less than he had walked on monday. how far did derek walk on tuesday?

kilometers

Explanation:

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<reasoning>

Identify the given values and operation

\[

$$\begin{aligned} &\text{Monday distance} = 7.89\text{ km}\\ &\text{Tuesday difference} = 1.89\text{ km less than Monday}\\ &\text{Tuesday distance} = \text{Monday distance} - \text{Tuesday difference} \end{aligned}$$

\]

Calculate the distance walked on Tuesday

\[
7.89 - 1.89 = 6.00 = 6
\]
</reasoning>

<answer>
On Monday, Derek walked 7.89 kilometers. On Tuesday, he walked 1.89 kilometers less than he had walked on Monday. How far did Derek walk on Tuesday?

<blank>6</blank> kilometers
</answer>

<post_analysis>
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"subject": "Mathematics",
"question_type": "Fill-in-the-blank",
"knowledge_point": [
"Mathematics",
"Algebra",
"Decimal Word Problems"
]
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Answer:

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</pre_analysis>

<reasoning>

Identify the given values and operation

\[

$$\begin{aligned} &\text{Monday distance} = 7.89\text{ km}\\ &\text{Tuesday difference} = 1.89\text{ km less than Monday}\\ &\text{Tuesday distance} = \text{Monday distance} - \text{Tuesday difference} \end{aligned}$$

\]

Calculate the distance walked on Tuesday

\[
7.89 - 1.89 = 6.00 = 6
\]
</reasoning>

<answer>
On Monday, Derek walked 7.89 kilometers. On Tuesday, he walked 1.89 kilometers less than he had walked on Monday. How far did Derek walk on Tuesday?

<blank>6</blank> kilometers
</answer>

<post_analysis>
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"question_type": "Fill-in-the-blank",
"knowledge_point": [
"Mathematics",
"Algebra",
"Decimal Word Problems"
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