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TiliK225 [7]
3 years ago
12

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 leve

l. The middle level has 80 more than 3 times as many seats as the upper level. How many seats are in the middle level?
Mathematics
2 answers:
damaskus [11]3 years ago
6 0

Answer:

1430

Step-by-step explanation:

Kaylis [27]3 years ago
5 0

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

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Answer:

15

Step-by-step explanation:

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b = 2          c = -4

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