At first, Barrel H and Barrel J contained 0.7 ℓ and 4.7 ℓ of water respectively. Some water from Barrel J was poured into Barrel H with no water spilling over. In the end, there was as much water in Barrel H as in Barrel J. How much water was poured from Barrel J to Barrel H?
|
Barrel H |
Barrel J |
Difference |
Before |
0.7 ℓ |
4.7 ℓ |
5.4 ℓ |
Change |
+ 2 ℓ |
- 2 ℓ |
|
After |
2.7 ℓ |
2.7 ℓ |
|
Difference in the volume of water in Barrel H and Barrel J
= 4.7 - 0.7
= 4 ℓ
Volume of water poured from Barrel J to Barrel H
= 4 ÷ 2
= 2 ℓ
Answer(s): 2 ℓ