20-09-2021
Mathematics

contestada

2. Mr. Lavi determined that the total cost of his son's birthday party, c, could be represented by
the equation c = 20n + 300, where "n" is the number of people attending the party. If his
son's birthday cost $1120, how many people attended the birthday party?

Respuesta :

20-09-2021

Answer:

41 people attended the party

Step-by-step explanation:

[tex]1120 = 20x + 300[/tex]

[tex]1120 - 300 = 20x[/tex]

[tex]820 = 20x[/tex]

[tex]x = 41[/tex]

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