Respuesta :

We have the following variables:
 x = the number of adult tickets
 y = the number of children's tickets
 We write the inequality:
 8x + 6y <= 172
 The solution is the set of points that belong to the region shaded in the graph.
 Answer:
 
8x + 6y <= 172
 
see attached image.
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In order to answer your question, first we need to discover the following variables:
 x = the number of adult tickets
 y = the number of children's tickets

 Then write the inequality:
 8x + 6y <= 172
Answer:
 8x + 6y <= 172 so the solutions of this equation are those who are in the shaded part of the graph.

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