Final answer:
The amount Vanessa borrowed from Mr. Harper was $1,867, which is a question related to Mathematics, suitable for Middle School students.
Step-by-step explanation:
Vanessa borrowed $1,867 from Mr. Harper to address an unpredicted expense. The question is straightforward and simply asks for the amount of money borrowed, which is explicitly stated as $1,867. This type of question falls under the subject of Mathematics, specifically in the area of basic arithmetic or financial literacy, which is suitable for a Middle School grade level.
The amount Vanessa borrowed from Mr. Harper to address an unpredicted expense is $1,867. This is a straightforward numerical value taken directly from the question and does not require additional calculations or references to interest rates, loan terms, or payment amounts which are relevant to other types of mathematics problems involving loans and financial mathematics.