On August 1, deborah barrowed from caridad 25,000 pesos and mortgaged her land, payable and august 25. However, on august 10, Teresita (third person) paid caridad 25,000 pesos without the knowledge deborah. When the obligation falls due, deborah is already insolvent, she cannot reimburse Teresita of what the latter paid Caridad.

1.Can Teresita foreclose the mortgaged property?

2.Supposing Teresita paid Caridad with Deborah's consent, will your answer be the same?​