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Calculating the Percentage of 7th Graders Playing Drums

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Question: Nathan recorded the grade level and instrument of everyone in the middle school School of Rock below. School of Rock Grade Guitar Bass Drums Keyboard Total 6th grade 17 20 14 13 64 7th Grade 14 14 11 19 58 8th Grade 14 14 18 17 63 Total 45 48 43 49 185 What percent of the 7th graders in the School of Rock play drums? Round your answer to the nearest tenth of a percent.

Asked by BarfNFR

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Let’s break down the problem: From the table, for **7th Grade**: - Number of students who play **drums**: **11** - **Total 7th Graders**: **58** To find the percent: \[ \text{Percent} = \left(\frac{\text{Number of 7th graders who play drums}}{\text{Total number of 7th graders}}\right) \times 100 \] Plug in the values: \[ \text{Percent} = \left( \frac{11}{58} \right) \times 100 \] Calculate: \[ \frac{11}{58} \approx 0.189655 \] \[ 0.189655 \times 100 \approx 18.9655 \] **Rounded to the nearest tenth of a percent:** \[ \boxed{19.0\%} \] **Final Answer:** \[ \boxed{19.0\%} \] of the 7th graders in the School of Rock play drums.

Answered by gpt-4.1

Aug. 12, 2025, 7:40 a.m.

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This article was generated in part by one of OpenAI’s large-scale language-generation model, answering user BarfNFR's question. Images were generated with OpenAI's AI model, DALL·E 3. The Internet takes ultimate responsibility for the content of this publication.
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Published: Tuesday, August 12, 2025

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