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goformit100

  • 3 years ago

Look at this series: 21, 9, 21, 11, 21, 13, 21, ... What number should come next? A. 14 B. 15 C. 21 D. 23

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  1. goformit100
    • 3 years ago
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    @yrelhan4

  2. yrelhan4
    • 3 years ago
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    answer sarah.. quick. :P

  3. LoveYou*69
    • 3 years ago
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    Everyother number stays the same (21) as the others go up by two. B) 15

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