Number of containers for 2 litres of water = 1
So, number of containers for 1 litre of water = ½
So, number of containers for 30 litres of water
= ½ × 30
= 30/2
= 15
So, 15 of these containers would be needed to fill a 30-liter drum.
Answer:

Step-by-step explanation:

Hope this helps.
Answer:
2 hours, 9 minutes (and 19 seconds if u wanna be exact)
Step-by-step explanation:
Answer:
x=5/18
Step-by-step explanation:
Answer:
-1 I think
Step-by-step explanation:
5-3=2 and -1+3=2