PSLE Hilda had 75 paperclips and Tina had 30 paperclips. After Hilda gave some of her paperclips to Tina, the number of paperclips Hilda and Tina had was in the ratio 2 : 3. How many paperclips did Hilda have in the end?
|
Hilda |
Tina |
Total |
Before |
75 |
30 |
105 |
Change |
- ? |
+ ? |
|
After |
2 u |
3 u |
5 u |
Total number of paperclips
= 75 + 30
= 105
Total number of paperclips
= 2 u + 3 u
= 5 u
5 u = 105
1 u = 105 ÷ 5 = 21
Number of paperclips that Hilda had in the end
= 2 u
= 2 x 21
= 42
Answer(s): 42