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Help.

 Feb 16, 2018
 #1
avatar+99580 
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A liitle tricky, but we want to solve this

 

Total cost / Number  of Students  < Cost Per Student

 

275  / N   <   15        Multiply both sides by N

 

275 < 15N       Divide both sides by 15

 

18.333 < N   which means the same as

 

N >  18.3333......so   we need   19  students

 

 

cool cool cool

 Feb 16, 2018

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