Pail P has thrice as much water as Pail N. If George adds 1.2 ℓ of water to Pail P and 1.9 ℓ of water to Pail N, both pails will have the same volume of water. Find the volume of water in Pail P at first.
| |
N |
P |
| Before |
1 u |
3 u |
| Change |
+ 1.9 |
+ 1.2 |
| After |
1 u + 1.9 |
3 u + 1.2 |
Both pails have the same volume of water in the end.
3 u + 1.2 = 1 u + 1.9
3 u - 1 u = 1.9 - 1.2
2 u = 0.7
1 u = 0.7 ÷ 2 = 0.35
Volume of water in Pail P at first
= 3 u
= 3 x 0.35
= 1.05 ℓ
Answer(s): 1.05 ℓ
