At first, Bottle R and Bottle S contained 0.4 ℓ and 4.5 ℓ of water respectively. Some water from Bottle S was poured into Bottle R with no water spilling over. In the end, there was as much water in Bottle R as in Bottle S. How much water was poured from Bottle S to Bottle R?
|
Bottle R |
Bottle S |
Difference |
Before |
0.4 ℓ |
4.5 ℓ |
4.9 ℓ |
Change |
+ 2.05 ℓ |
- 2.05 ℓ |
|
After |
2.45 ℓ |
2.45 ℓ |
|
Difference in the volume of water in Bottle R and Bottle S
= 4.5 - 0.4
= 4.1 ℓ
Volume of water poured from Bottle S to Bottle R
= 4.1 ÷ 2
= 2.05 ℓ
Answer(s): 2.05 ℓ