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?
2 answers:
Answer:
1430
Step-by-step explanation:
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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