At first, Bottle C and Bottle D contained 0.9 ℓ and 2.2 ℓ of water respectively. Some water from Bottle D was poured into Bottle C with no water spilling over. In the end, there was as much water in Bottle C as in Bottle D. How much water was poured from Bottle D to Bottle C?
|
Bottle C |
Bottle D |
Difference |
Before |
0.9 ℓ |
2.2 ℓ |
3.1 ℓ |
Change |
+ 0.65 ℓ |
- 0.65 ℓ |
|
After |
1.55 ℓ |
1.55 ℓ |
|
Difference in the volume of water in Bottle C and Bottle D
= 2.2 - 0.9
= 1.3 ℓ
Volume of water poured from Bottle D to Bottle C
= 1.3 ÷ 2
= 0.65 ℓ
Answer(s): 0.65 ℓ