PSLE Hazel had 45 post-it notes and Fiona had 21 post-it notes. After Hazel gave some of her post-it notes to Fiona, the number of post-it notes Hazel and Fiona had was in the ratio 2 : 4. How many post-it notes did Fiona have in the end?
|
Hazel |
Fiona |
Total |
Before |
45 |
21 |
66 |
Change |
- ? |
+ ? |
|
After |
2 u |
4 u |
6 u |
Total number of post-it notes
= 45 + 21
= 66
Total number of post-it notes
= 2 u + 4 u
= 6 u
6 u = 66
1 u = 66 ÷ 6 = 11
Number of post-it notes that Fiona had in the end
= 4 u
= 4 x 11
= 44
Answer(s): 44