Answer:
3/8 Tablespoon per cup
Explanation:
Our unit rate here is
3 3/4 Tablespoons
-----------------------------
10 cups coffee
Converting 3 3/4 to an improper fraction, we get 15/4 Tablespoons:
15/4 Tablespoons 15
--------------------------- = -------- Tablespoons/cup
10 cups coffee 40
Reduce this by dividing numerator and denominator both by 5:
3/8 Tablespoon per cup