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Cody created a chart to show the number of levels he beat each day in a video game. If the trend continues, how would you determine the number of levels he'd beat on day 13?

Days	Levels
4	13
5	14
6	15
7	16

Add 13 to 13 Add 4 to 13 Add 9 to 13 Multiply 9 by 13

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