23-09-2016
Mathematics

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Kendra has a math test every 12 school days and a vocabulary test every 9 school days.She had both a math and a vocabulary test today.The next time she will have both tests on same day will be in ? School days.

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Christophrrb Christophrrb

23-09-2016

36 days

9*4 = 36
12*3 = 36

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