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Kendra has a math test every 12 school days in a vocabulary test every 9 school days. She has both a math test and a vocabulary test today. When will she have both a math and a vocabulary test again?
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Kendra has a math test every 12 school days in a vocabulary test every 9 school days. She has both a math test and a vocabulary test today. When will she have both a math and a vocabulary test again?

User KAD
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Hi there!
36 school days. You need to find the least common multiple(LMC) the least common multiple of 12 and 9 is 36.
Hope this helps.
User Himanshu Bhardwaj
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