Answer:
A 120 ounce jug of detergent could wash 96 loads
Explanation:
80 ounce jug of detergent can was 64 loads of laundry
1 ounce jug of detergent can wash 64/80 loads of laundry
120 ounce jug of detergent can wash (64/80)*120 loads of laundry, which is 96 loads of laundry