PSLE Emma had 54 paperclips and Zoe had 23 paperclips. After Emma gave some of her paperclips to Zoe, the number of paperclips Emma and Zoe had was in the ratio 2 : 5. How many paperclips did Emma have in the end?
|
Emma |
Zoe |
Total |
Before |
54 |
23 |
77 |
Change |
- ? |
+ ? |
|
After |
2 u |
5 u |
7 u |
Total number of paperclips
= 54 + 23
= 77
Total number of paperclips
= 2 u + 5 u
= 7 u
7 u = 77
1 u = 77 ÷ 7 = 11
Number of paperclips that Emma had in the end
= 2 u
= 2 x 11
= 22
Answer(s): 22