PSLE Jaslyn had 54 bookmarks and Usha had 37 bookmarks. After Jaslyn gave some of her bookmarks to Usha, the number of bookmarks Jaslyn and Usha had was in the ratio 3 : 4. How many bookmarks did Usha have in the end?
|
Jaslyn |
Usha |
Total |
Before |
54 |
37 |
91 |
Change |
- ? |
+ ? |
|
After |
3 u |
4 u |
7 u |
Total number of bookmarks
= 54 + 37
= 91
Total number of bookmarks
= 3 u + 4 u
= 7 u
7 u = 91
1 u = 91 ÷ 7 = 13
Number of bookmarks that Usha had in the end
= 4 u
= 4 x 13
= 52
Answer(s): 52