kagawamaiko kagawamaiko
  • 07-11-2018
  • Mathematics
contestada

40% of a High School band plays brass instruments. 28 students play a brass instrument, how many students are in the band?

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saithesavage34 saithesavage34
  • 07-11-2018

There are 70 people in the band.  This is  because 28 of 70 is 40%.


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chisnau chisnau
  • 08-11-2018

Let the total students in the band be = x

Number of students who play brass instrument = 28

This 28 is 40 percent of x

So, the number of students will be =

[tex]\frac{40x}{100}=28[/tex]

[tex]40x=2800[/tex]

[tex]x=70[/tex]

So total number of students in the band are 70.



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