7) There are 90 boys and 60 girls in the Cobb 6th grade campus band. Of these band members 9 boys and 3 girls play the trumpet. What percent of the band members play the trumpet?

the percentage of band members play the trumpet is 8%

Step-by-step explanation:

The computation of the percentage of band members play the trumpet is shown below:

= Play trumpet people ÷ Total people

= (9 + 3) ÷ (90 + 60)

= 12 ÷ 150

= 8%

Hence, the percentage of band members play the trumpet is 8%