PSLE Eva had 48 paperclips and Mary had 18 paperclips. After Eva gave some of her paperclips to Mary, the number of paperclips Eva and Mary had was in the ratio 2 : 4. How many paperclips did Eva have in the end?
|
Eva |
Mary |
Total |
Before |
48 |
18 |
66 |
Change |
- ? |
+ ? |
|
After |
2 u |
4 u |
6 u |
Total number of paperclips
= 48 + 18
= 66
Total number of paperclips
= 2 u + 4 u
= 6 u
6 u = 66
1 u = 66 ÷ 6 = 11
Number of paperclips that Eva had in the end
= 2 u
= 2 x 11
= 22
Answer(s): 22