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Help me for a brainllest. A theater holds 2,680 seats. The lower level has 100 less than 2 times as many seats as the upper level. The middle level has 80 more than 3 times as many seats as the upper level. How many seats are in the middle level?

2 Answers

3 votes

Answer:

1430

Explanation:

User Worice
by
4.0k points
2 votes

Answer: 1430

Step-by-step explanation: x + y + z = 2680

x = 2z - 100

y = 3z + 80

x + y = 5z - 20

6z - 20 = 2680

z = 450

y = 1430

Solution:

x = 800, y = 1430, z = 450

User Alishia
by
4.2k points