PSLE Gwen had 73 bookmarks and Emma had 26 bookmarks. After Gwen gave some of her bookmarks to Emma, the number of bookmarks Gwen and Emma had was in the ratio 4 : 5. How many bookmarks did Emma have in the end?
|
Gwen |
Emma |
Total |
Before |
73 |
26 |
99 |
Change |
- ? |
+ ? |
|
After |
4 u |
5 u |
9 u |
Total number of bookmarks
= 73 + 26
= 99
Total number of bookmarks
= 4 u + 5 u
= 9 u
9 u = 99
1 u = 99 ÷ 9 = 11
Number of bookmarks that Emma had in the end
= 5 u
= 5 x 11
= 55
Answer(s): 55