Respuesta :
If p represents the number of people attending, then the charges will be
... 90 +34p
and Mark and Heather want that value to be less than or equal to 2000.
... 90 +34p ≤ 2000
... 34p ≤ 1910
... p ≤ 56.2
The greatest number of people attending can be 56.
_____
If Mark and Heather come without invitations, the greatest number they can invite is 54.
The maximum number of people that can be invited is 56.
Based on the information given in the question, the equation to solve the question will be:
90 + 34p = 2000
where p = number of people
90 + 34p = 2000
Collect like terms
34p = 2000 - 90
34p = 1910
Divide both side by 34
34p/34 = 1910/34
p = 56
Therefore, the number of people that can be invited will be 56
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