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Mathematics, 16.01.2020 18:31 rnunez3
Katie set up 15 rows of chairs in the cafeteria for her school's talent competition. in the first 10 rows, she set up 30 chairs on the left side of the middle aisle and x chairs on the right side. in the last 5 rows, she set up 20 chairs on the left side of the middle aisle and y chairs on the right side to make room for the sound crew.
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Katie set up 15 rows of chairs in the cafeteria for her school's talent competition. in the first 10...
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