At first, Bottle Q and Bottle R contained 0.7 ℓ and 3.9 ℓ of water respectively. Some water from Bottle R was poured into Bottle Q with no water spilling over. In the end, there was as much water in Bottle Q as in Bottle R. How much water was poured from Bottle R to Bottle Q?
|
Bottle Q |
Bottle R |
Difference |
Before |
0.7 ℓ |
3.9 ℓ |
4.6 ℓ |
Change |
+ 1.6 ℓ |
- 1.6 ℓ |
|
After |
2.3 ℓ |
2.3 ℓ |
|
Difference in the volume of water in Bottle Q and Bottle R
= 3.9 - 0.7
= 3.2 ℓ
Volume of water poured from Bottle R to Bottle Q
= 3.2 ÷ 2
= 1.6 ℓ
Answer(s): 1.6 ℓ