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12 October, 11:12

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

school days.

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  1. 12 October, 14:53
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    You need the Least Common Multiple of 12 and 9.

    That's 36.

    3 x 12 = 36

    4 x 9 = 36
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