Answer:
52
Step-by-step explanation:
It is different because you are doing a different method to complete the problem. It is the same because it ends up with the same answer, provided you complete the process correctly.
Answer: 6:18
All of the other options are equal to 1:3
You would use 6 gallons of water to water 45 plants
4=30
=
of 4 gallons = 6 gallons