At a supermarket, 25% of the fish were red snappers and the rest were batang fish. 10% of the batang fish were sold. What was the ratio of the number of red snappers to the number of batang fish in the end?
|
Red Snappers |
Batang Fish |
Compare between red snappers and batang fish at first |
1x10 |
3x10 |
Before |
|
10x3 |
Change |
|
- 1x3 |
After |
|
9x3 |
|
Red Snappers |
Batang Fish |
Before |
10 u |
30 u |
Change |
|
- 3 u |
After |
10 u |
27 u |
25% =
25100 =
14 10% =
10100 =
110The number of batang fish at first is the same.
LCM of 3 and 10 = 30
Red Snappers : Batang Fish = 10 : 27
Answer(s): 10 : 27