5 liter bucket with the 3 liter bucket twice, and then use the 3 liter bucket and the 4 liter bucket twice.
Answer:
18.18%
Step-by-step explanation:
(65000-55000)/55000×100
It should be 2 but i’m not positive
Answer: 
Work Shown:

This can be rewritten into 
Answer: The lorry is traveling 10 mph over the expected speed.
Step-by-step explanation:
If 200 miles takes 4 hours, the speed is 200mi/4hr which is 50 mph.
If the distance is increased by 20%, the distance is 240 miles.
240mi/4hr = 60mph
The difference is 10mph