Question

If there are 90 students in Jazz Band and 5/6 of them are in 8th grade, how many 8th graders are in Jazz Band?

Answer 1

Given,

The number of total student in the band are 90.

The part of the total student from 8th grade is 5/6.

The number of grade 8th students are,

`\begin{gathered} \text{Number of grade 8th student }=(5)/(6)*90 \\ \text{ = }5*15 \\ \text{ = 75} \end{gathered}`

The number of students in the band from grade 8th is 75.

Hence, 75 are 8th grader are in jazz band.