At first, Barrel X and Barrel Y contained 0.4 ℓ and 3.3 ℓ of water respectively. Some water from Barrel Y was poured into Barrel X with no water spilling over. In the end, there was as much water in Barrel X as in Barrel Y. How much water was poured from Barrel Y to Barrel X?
|
Barrel X |
Barrel Y |
Difference |
Before |
0.4 ℓ |
3.3 ℓ |
3.7 ℓ |
Change |
+ 1.45 ℓ |
- 1.45 ℓ |
|
After |
1.85 ℓ |
1.85 ℓ |
|
Difference in the volume of water in Barrel X and Barrel Y
= 3.3 - 0.4
= 2.9 ℓ
Volume of water poured from Barrel Y to Barrel X
= 2.9 ÷ 2
= 1.45 ℓ
Answer(s): 1.45 ℓ