Question

There are 70 students in the school band. 40% of themare 6th graders. 20% of them are 7th graders.How many band members are 7th graders?How many band members are 6thgraders?

Answer 1

`\begin{gathered} 70*(40)/(100)=70*0.4 \\ =28 \\ \\ \\ 70*(20)/(100)=70*0.2 \\ =14 \end{gathered}`

there are 14 7th graders

there are 28 6th graders