Answer: 4.699 ounces (72.85 %)
Step-by-step explanation: Total Quantity in bottle = 6.45
Total quantity = quantity of fruit juice + quantity of not fruit juice.
ATQ.
6.45 = 1.751 + quantity of not fruit juice
quantity of not fruit juice = 4.699 ounces
in percentage it will be 4.699/6.45 × 100 = 72.85%