To determine what error the student most likely made, we would need additional context about the specific problem they were solving. However, based on the options provided, the error seems to lie in selecting the correct ratio or multiplier for calculations.
Here’s a breakdown of the possible errors:
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Using the wrong ratio (1:4,000 instead of 2:4,000) - This indicates a possible misunderstanding of the ratio needed for the calculations.
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Multiplying by 6 instead of 10 - This suggests that the student may have miscalculated or misunderstood a quantity that should have been multiplied.
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Multiplying by 10 instead of 6 - This indicates a similar issue as the previous one, potentially leading to incorrect results due to multiplication errors.
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Using the wrong ratio (2:2,000 instead of 1:2,000) - This implies that the student misjudged the correct ratio to apply in their calculation.
Without knowing the specific context or problem they were tasked with, it is difficult to pinpoint the exact error. However, if the error is indeed about ratios or multiplication, it suggests the student may have miscalculated based on the specified requirement of the problem.
If you provide more context about what the student was supposed to calculate or the correction method applied, I can help identify which option is the most appropriate error.