when emma was born she was 20.5 inches long. at her 6-month checkup, she was 26.25 inches long.

emmas length dropdown

$\text{percent change} = \frac{\text{amount of change}}{\text{original amount}} = \frac{5.75}{20.5} = 0.2804$

the approximate percent change in her length was dropdown.

Question

when emma was born she was 20.5 inches long. at her 6-month checkup, she was 26.25 inches long.

emmas length dropdown

$\text{percent change} = \frac{\text{amount of change}}{\text{original amount}} = \frac{5.75}{20.5} = 0.2804$

the approximate percent change in her length was dropdown.

Accepted Answer

{ "quality": "clear", "question_count": 2, "skills_matched": [ "step_cot", "blank_filling_formatter", "explain_then_answer", "tutor", "mastery_adaptive_brevity" ], "needs_drawing": false, "concepts_used": [ "Percent of Change" ], "new_concepts": [ "Percent Increase" ], "current_concepts": [ "Percent of Change", "Percent Increase" ] } ## Determine the direction of change Using the *Percent of Change* knowledge point $$ \begin{aligned} &\text{Initial length} = 20.5\text{ inches}\ &\text{Final length} = 26.25\text{ inches}\ &26.25 > 20.5 \implies \text{increased} \end{aligned} $$ ## Calculate the approximate percent change Using the *Percent of Change* knowledge point $$ \begin{aligned} &\text{Percent Change} = 0.2804\ &0.2804 \times 100\% = 28.04\% \approx 28\% \end{aligned} $$ ## Question 1 Emma's length increased. ## Question 2 The approximate percent change in her length was 28%. { "subject": "Mathematics", "question_type": "Fill-in-the-blank", "knowledge_point": [ "Mathematics", "Algebra", "Percent of Change" ] }

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QUESTION IMAGE

Question

Explanation:

Determine the direction of change

Calculate the approximate percent change

Answer:

Question 1

Question 2