At first, Tank S and Tank T contained 0.4 ℓ and 1.8 ℓ of water respectively. Some water from Tank T was poured into Tank S with no water spilling over. In the end, there was as much water in Tank S as in Tank T. How much water was poured from Tank T to Tank S?
|
Tank S |
Tank T |
Difference |
Before |
0.4 ℓ |
1.8 ℓ |
2.2 ℓ |
Change |
+ 0.7 ℓ |
- 0.7 ℓ |
|
After |
1.1 ℓ |
1.1 ℓ |
|
Difference in the volume of water in Tank S and Tank T
= 1.8 - 0.4
= 1.4 ℓ
Volume of water poured from Tank T to Tank S
= 1.4 ÷ 2
= 0.7 ℓ
Answer(s): 0.7 ℓ