PSLE Joelle had 76 bookmarks and Nora had 36 bookmarks. After Joelle gave some of her bookmarks to Nora, the number of bookmarks Joelle and Nora had was in the ratio 3 : 4. How many bookmarks did Joelle have in the end?
|
Joelle |
Nora |
Total |
Before |
76 |
36 |
112 |
Change |
- ? |
+ ? |
|
After |
3 u |
4 u |
7 u |
Total number of bookmarks
= 76 + 36
= 112
Total number of bookmarks
= 3 u + 4 u
= 7 u
7 u = 112
1 u = 112 ÷ 7 = 16
Number of bookmarks that Joelle had in the end
= 3 u
= 3 x 16
= 48
Answer(s): 48