Answer:The answer is 5 11/12Step-by-step explanation:We asked to find how many liters of paint did Mang Jose use in total, so the operation where going to use is addition. First convert 3¼ and 2⅔ into improper fraction, 3¼ = 13/4 , 2⅔ = 8/3then we can now add.13/4 + 8/3 = 71/12Convert improper fraction to mixed number. 71/12 = 5 11/12The final answer is 5 11/12.