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In the Highschool band there are 2 percussionists on the sidelines to every 13 marching instruments. If the Highschool band has a total of 180 members, then how many percussionists are on the sidelines?

 

I need this done before tommorow comes and its on a study guide thats gonna take me awhile so i'd appreciate if you guys could help me out.

 Feb 1, 2019
edited by Guest  Feb 1, 2019
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180 / (13 + 2) =12 bands of 15 students each.

Since 2 from each band are sidelined, then:

12 x 2 = 24 - number of students on the sidelines, so that:

13 x 12 + 24 =180 - total number of students.

 Feb 1, 2019

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