At first, Barrel S and Barrel T contained 0.5 ℓ and 1.9 ℓ of water respectively. Some water from Barrel T was poured into Barrel S with no water spilling over. In the end, there was as much water in Barrel S as in Barrel T. How much water was poured from Barrel T to Barrel S?
|
Barrel S |
Barrel T |
Difference |
Before |
0.5 ℓ |
1.9 ℓ |
2.4 ℓ |
Change |
+ 0.7 ℓ |
- 0.7 ℓ |
|
After |
1.2 ℓ |
1.2 ℓ |
|
Difference in the volume of water in Barrel S and Barrel T
= 1.9 - 0.5
= 1.4 ℓ
Volume of water poured from Barrel T to Barrel S
= 1.4 ÷ 2
= 0.7 ℓ
Answer(s): 0.7 ℓ