<h3>Answer:</h3><h3>
3</h3><h3>
Explanation:</h3>
Of the nine colonial colleges founded from 1636 to 1769, <u>3</u> were geographically located within a middle colony.
These three are:
1. Princeton (College of New Jersey) located in Princeton, New Jersey.
2. Pennsylvania (The Academy) located in Philadelphia, Pennsylvania
3. Columbia (King's College) located in New York.
The middle colonies: New Jersey, Pennsylvania and New York.
