PSLE Risa had 74 paperclips and Marion had 36 paperclips. After Risa gave some of her paperclips to Marion, the number of paperclips Risa and Marion had was in the ratio 2 : 3. How many paperclips did Risa have in the end?
|
Risa |
Marion |
Total |
Before |
74 |
36 |
110 |
Change |
- ? |
+ ? |
|
After |
2 u |
3 u |
5 u |
Total number of paperclips
= 74 + 36
= 110
Total number of paperclips
= 2 u + 3 u
= 5 u
5 u = 110
1 u = 110 ÷ 5 = 22
Number of paperclips that Risa had in the end
= 2 u
= 2 x 22
= 44
Answer(s): 44