PSLE Ivory had 75 paperclips and Irene had 37 paperclips. After Ivory gave some of her paperclips to Irene, the number of paperclips Ivory and Irene had was in the ratio 3 : 4. How many paperclips did Ivory have in the end?
|
Ivory |
Irene |
Total |
Before |
75 |
37 |
112 |
Change |
- ? |
+ ? |
|
After |
3 u |
4 u |
7 u |
Total number of paperclips
= 75 + 37
= 112
Total number of paperclips
= 3 u + 4 u
= 7 u
7 u = 112
1 u = 112 ÷ 7 = 16
Number of paperclips that Ivory had in the end
= 3 u
= 3 x 16
= 48
Answer(s): 48