Final answer:
The sentence 'Hay muchas personas en la casa' is correct in Spanish, and it translates to 'There are many people in the house'
Step-by-step explanation:
The sentence 'Hay muchas personas en la casa' is correct. In Spanish, the verb 'hay' means 'there is' or 'there are'. The word 'muchas' means 'many' and 'personas' means 'people'. So, the sentence translates to 'There are many people in the house'.
Learn more about Sentence correction in Spanish