At a supermarket, 25% of the fish were batang fish and the rest were red snappers. 20% of the red snappers were sold. What was the ratio of the number of red snappers to the number of batang fish in the end?
|
Batang Fish |
Red Snappers |
Compare between batang fish and red snappers at first |
1x5 |
3x5 |
Before |
|
5x3 |
Change |
|
- 1x3 |
After |
|
4x3 |
|
Batang Fish |
Red Snappers |
Before |
5 u |
15 u |
Change |
|
- 3 u |
After |
5 u |
12 u |
25% =
25100 =
14 20% =
20100 =
15The number of red snappers at first is the same.
LCM of 3 and 5 = 15
Red Snappers : Batang Fish = 12 : 5
Answer(s): 12 : 5