At first, Tank X and Tank Y contained 0.4 ℓ and 4.3 ℓ of water respectively. Some water from Tank Y was poured into Tank X with no water spilling over. In the end, there was as much water in Tank X as in Tank Y. How much water was poured from Tank Y to Tank X?
|
Tank X |
Tank Y |
Difference |
Before |
0.4 ℓ |
4.3 ℓ |
4.7 ℓ |
Change |
+ 1.95 ℓ |
- 1.95 ℓ |
|
After |
2.35 ℓ |
2.35 ℓ |
|
Difference in the volume of water in Tank X and Tank Y
= 4.3 - 0.4
= 3.9 ℓ
Volume of water poured from Tank Y to Tank X
= 3.9 ÷ 2
= 1.95 ℓ
Answer(s): 1.95 ℓ