PSLE Mary had 62 paperclips and Jean had 16 paperclips. After Mary gave some of her paperclips to Jean, the number of paperclips Mary and Jean had was in the ratio 2 : 4. How many paperclips did Jean have in the end?
|
Mary |
Jean |
Total |
Before |
62 |
16 |
78 |
Change |
- ? |
+ ? |
|
After |
2 u |
4 u |
6 u |
Total number of paperclips
= 62 + 16
= 78
Total number of paperclips
= 2 u + 4 u
= 6 u
6 u = 78
1 u = 78 ÷ 6 = 13
Number of paperclips that Jean had in the end
= 4 u
= 4 x 13
= 52
Answer(s): 52