21 is quinto
22 is tercer libro
23 is segunda
24 is Pedro es el hijo séptimo
25 is nuevo
Just look up the book in spanish. type "Libro de piratas del caribe y el mapa secreto" on google and i'm sure the whole book will come up just gotta browse all the way to the 4th chapter.
Answer:
"Puedo hacerlo"
Explanation:
"I can" means "puedo," then "hacerlo" means "do it." (The "lo" ending is the direct object, so it can be "hacerlo" or "hacerla" depending on what the object is.)