Final answer:
The sentence 'Ellos son de mexicanas' is incorrect. The correct sentence should be 'Ellos son mexicanos' which means 'They are Mexican'. In Spanish, the adjective 'mexicanas' is feminine and plural, whereas 'mexicanos' is masculine and plural.
Step-by-step explanation:
The sentence 'Ellos son de mexicanas' is incorrect.
The correct sentence should be 'Ellos son mexicanos' which means 'They are Mexican'.
In Spanish, the adjective 'mexicanas' is feminine and plural, whereas 'mexicanos' is masculine and plural.
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