PSLE Wendy had 43 paperclips and Esther had 37 paperclips. After Wendy gave some of her paperclips to Esther, the number of paperclips Wendy and Esther had was in the ratio 3 : 5. How many paperclips did Wendy have in the end?
|
Wendy |
Esther |
Total |
Before |
43 |
37 |
80 |
Change |
- ? |
+ ? |
|
After |
3 u |
5 u |
8 u |
Total number of paperclips
= 43 + 37
= 80
Total number of paperclips
= 3 u + 5 u
= 8 u
8 u = 80
1 u = 80 ÷ 8 = 10
Number of paperclips that Wendy had in the end
= 3 u
= 3 x 10
= 30
Answer(s): 30