Container K and Container L had 37 kg of rice flour and 114.2 kg of rice flour respectively. If 2 kg of rice flour from Container K and 7.6 kg of rice flour from Container L are used every day, how many days later will the rice flour in Container K be one-third as much as the rice flour in Container L?
| |
Make p the same
(1)x3 = (3) |
Container K
(1) |
Container L
(2) |
| Before |
111 |
37 |
114.2 |
| Change |
- 6 u |
- 2 u |
- 7.6 u |
| After |
3 p |
1 p |
3 p |
37 - 2 u = 1 p --- (1)
114.2 - 7.6 u =
3 p --- (2)
Make p the same.
(1)
x3 = (3)
111 - 6 u =
3 p --- (3)
(2) = (3)
114.2 - 7.6 u = 111 - 6 u
7.6 u - 6 u = 114.2 - 111
1.6 u = 3.2
1 u = 3.2 ÷ 1.6 = 2
Time taken for the rice flour in Container K to be one-third as much as the rice flour in Container L = 2
Answer(s): 2
