PSLE Raeann had 65 bookmarks and Gabby had 25 bookmarks. After Raeann gave some of her bookmarks to Gabby, the number of bookmarks Raeann and Gabby had was in the ratio 2 : 4. How many bookmarks did Gabby have in the end?
|
Raeann |
Gabby |
Total |
Before |
65 |
25 |
90 |
Change |
- ? |
+ ? |
|
After |
2 u |
4 u |
6 u |
Total number of bookmarks
= 65 + 25
= 90
Total number of bookmarks
= 2 u + 4 u
= 6 u
6 u = 90
1 u = 90 ÷ 6 = 15
Number of bookmarks that Gabby had in the end
= 4 u
= 4 x 15
= 60
Answer(s): 60