PSLE Hilda had 47 post-it notes and Ivory had 13 post-it notes. After Hilda gave some of her post-it notes to Ivory, the number of post-it notes Hilda and Ivory had was in the ratio 2 : 3. How many post-it notes did Hilda have in the end?
|
Hilda |
Ivory |
Total |
Before |
47 |
13 |
60 |
Change |
- ? |
+ ? |
|
After |
2 u |
3 u |
5 u |
Total number of post-it notes
= 47 + 13
= 60
Total number of post-it notes
= 2 u + 3 u
= 5 u
5 u = 60
1 u = 60 ÷ 5 = 12
Number of post-it notes that Hilda had in the end
= 2 u
= 2 x 12
= 24
Answer(s): 24