Question

faith recorded the grade level and instrument of everyone in the middle school school of rock below. what percent of the 6th graders in the school of rock play keyboard? round your answer to the nearest whole number percent. answer attempt 1 out of 5

Explanation:

Step1: Calculate total number of 6th graders

Add the number of 6th graders playing each instrument: \(17 + 12+10 + 18=57\)

Step2: Calculate the percentage of 6th graders playing keyboard

The number of 6th - graders playing keyboard is \(18\). Use the formula \(\text{Percentage}=\frac{\text{Number of keyboard - playing 6th graders}}{\text{Total number of 6th graders}}\times100\%\)
\(\text{Percentage}=\frac{18}{57}\times 100\%=\frac{1800}{57}\%\approx 31.58\%\)

Answer:

\(32\%\)