PSLE Lynn had 57 paperclips and Jean had 15 paperclips. After Lynn gave some of her paperclips to Jean, the number of paperclips Lynn and Jean had was in the ratio 2 : 4. How many paperclips did Lynn have in the end?
|
Lynn |
Jean |
Total |
Before |
57 |
15 |
72 |
Change |
- ? |
+ ? |
|
After |
2 u |
4 u |
6 u |
Total number of paperclips
= 57 + 15
= 72
Total number of paperclips
= 2 u + 4 u
= 6 u
6 u = 72
1 u = 72 ÷ 6 = 12
Number of paperclips that Lynn had in the end
= 2 u
= 2 x 12
= 24
Answer(s): 24