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roxequartz
21.12.2019 •
Mathematics
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Ответ:
Ответ:
its D 1430
Step-by-step explanation:
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? A B C D