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What number can be divided into 2 and 9 equal groups without a remainder

User Gtgaxiola
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1 Answer

7 votes

One way to determine the number is to multiply 2 and 9, this is because the resulting number will be divisible by them perfectly. Let's try:


2\cdot9=18

So our candidate is 18, we need to test if it's divisible by 2 and 9 perfectly:


\begin{gathered} (18)/(2)=9 \\ (18)/(9)=2 \end{gathered}

It is, therefore the number is 18.

User Panya
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