PSLE Vanessa had 67 bookmarks and Gwen had 38 bookmarks. After Vanessa gave some of her bookmarks to Gwen, the number of bookmarks Vanessa and Gwen had was in the ratio 2 : 5. How many bookmarks did Gwen have in the end?
|
Vanessa |
Gwen |
Total |
Before |
67 |
38 |
105 |
Change |
- ? |
+ ? |
|
After |
2 u |
5 u |
7 u |
Total number of bookmarks
= 67 + 38
= 105
Total number of bookmarks
= 2 u + 5 u
= 7 u
7 u = 105
1 u = 105 ÷ 7 = 15
Number of bookmarks that Gwen had in the end
= 5 u
= 5 x 15
= 75
Answer(s): 75