# Lucas

Lucas is trying to find 6×15.

He knows that 3×15=45.

He also knows that 6=2×3.

How can Lucas use 3×15 to help him find 6×15?

He knows that 3×15=45.

He also knows that 6=2×3.

How can Lucas use 3×15 to help him find 6×15?

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