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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 test and a vocabulary test today. The next time she will have both tests on the same day will be in

school days.

2 Answers

6 votes

Answer:

36

Explanation:

User Kaede
by
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1 vote
You need the Least Common Multiple of 12 and 9.

That's 36.

3 x 12 = 36
4 x 9 = 36
User Wilhelmtell
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