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Illusion [34]
1 year ago
13

Which of the following shows all of the factor pairs of 28?

Mathematics
1 answer:
kow [346]1 year ago
4 0

The factor pairs of a number when multiplied give the original number.

Therefore, all the factor pairs of 28 are:

\begin{gathered} 1\times28; \\ 2\times14; \\ 4\times7 \end{gathered}

The correct choice is the first one

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Method 1:

Look at the picture.

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Method 2:

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multiples of 9: 0, 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, ...

63 = 7 · 9

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\dfrac{9}{63} > \dfrac{7}{63}

therefore

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