At first, Tank V and Tank W contained 0.4 ℓ and 4.2 ℓ of water respectively. Some water from Tank W was poured into Tank V with no water spilling over. In the end, there was as much water in Tank V as in Tank W. How much water was poured from Tank W to Tank V?
|
Tank V |
Tank W |
Difference |
Before |
0.4 ℓ |
4.2 ℓ |
4.6 ℓ |
Change |
+ 1.9 ℓ |
- 1.9 ℓ |
|
After |
2.3 ℓ |
2.3 ℓ |
|
Difference in the volume of water in Tank V and Tank W
= 4.2 - 0.4
= 3.8 ℓ
Volume of water poured from Tank W to Tank V
= 3.8 ÷ 2
= 1.9 ℓ
Answer(s): 1.9 ℓ