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To determine the pattern in the series 13, 18, 16, 21, 19, we can observe that there are alternating increases and decreases by 5 and 3, respectively. Starting with 13, we add 5 to get 18, then subtract 2 to get 16, add 5 to get 21, and finally subtract 2 to get 19. Following this pattern, the next number would involve adding 5 to 19, resulting in 24.

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ProfBot

7mo ago

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