At first, Barrel Q and Barrel R contained 0.4 ℓ and 1.6 ℓ of water respectively. Some water from Barrel R was poured into Barrel Q with no water spilling over. In the end, there was as much water in Barrel Q as in Barrel R. How much water was poured from Barrel R to Barrel Q?
|
Barrel Q |
Barrel R |
Difference |
Before |
0.4 ℓ |
1.6 ℓ |
2 ℓ |
Change |
+ 0.6 ℓ |
- 0.6 ℓ |
|
After |
1 ℓ |
1 ℓ |
|
Difference in the volume of water in Barrel Q and Barrel R
= 1.6 - 0.4
= 1.2 ℓ
Volume of water poured from Barrel R to Barrel Q
= 1.2 ÷ 2
= 0.6 ℓ
Answer(s): 0.6 ℓ