a student surveyed a group of friends about the different types of pizza they like. the results are shown in the graph below.

what percentage of the friends like mushroom or pepperoni pizza?

10%
20%
30%
70%

Question

a student surveyed a group of friends about the different types of pizza they like. the results are shown in the graph below.

what percentage of the friends like mushroom or pepperoni pizza?

10%
20%
30%
70%

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Ratios and Proportions" ], "new_concepts": [ "Bar Graph Interpretation", "Percentage Calculations" ], "current_concepts": [ "Bar Graph Interpretation", "Ratios and Proportions", "Percentage Calculations" ] } ## Read values from the bar graph $$ \begin{aligned} &\text{Cheese} = 4\ &\text{Mushroom} = 2\ &\text{Pepperoni} = 1\ &\text{Supreme} = 3 \end{aligned} $$ ## Calculate total and target counts $$ \begin{aligned} &\text{Total friends} = 4 + 2 + 1 + 3 = 10\ &\text{Mushroom or Pepperoni} = 2 + 1 = 3 \end{aligned} $$ ## Calculate the percentage $$ \text{Percentage} = \frac{3}{10} \times 100\% = 30\% $$

10%

20%

30%

70%

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Statistics", "Bar Graph Interpretation" ] }

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QUESTION IMAGE

Question

Explanation:

Read values from the bar graph

Calculate total and target counts

Calculate the percentage

Answer: