Why does 5 × 3 = 15?

Because adding 5 3's together makes 15.

That is, because 3 + 3 + 3 + 3 + 3 = 15.

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Why does 5 × 3 = 15?

Because adding 5 3's together makes 15.

That is, because 3 + 3 + 3 + 3 + 3 = 15.

Keep practicing