PSLE Joelle had 69 bookmarks and Victoria had 15 bookmarks. After Joelle gave some of her bookmarks to Victoria, the number of bookmarks Joelle and Victoria had was in the ratio 2 : 4. How many bookmarks did Joelle have in the end?
|
Joelle |
Victoria |
Total |
Before |
69 |
15 |
84 |
Change |
- ? |
+ ? |
|
After |
2 u |
4 u |
6 u |
Total number of bookmarks
= 69 + 15
= 84
Total number of bookmarks
= 2 u + 4 u
= 6 u
6 u = 84
1 u = 84 ÷ 6 = 14
Number of bookmarks that Joelle had in the end
= 2 u
= 2 x 14
= 28
Answer(s): 28