PSLE Gwen had 78 paperclips and Vanessa had 20 paperclips. After Gwen gave some of her paperclips to Vanessa, the number of paperclips Gwen and Vanessa had was in the ratio 3 : 4. How many paperclips did Gwen have in the end?
|
Gwen |
Vanessa |
Total |
Before |
78 |
20 |
98 |
Change |
- ? |
+ ? |
|
After |
3 u |
4 u |
7 u |
Total number of paperclips
= 78 + 20
= 98
Total number of paperclips
= 3 u + 4 u
= 7 u
7 u = 98
1 u = 98 ÷ 7 = 14
Number of paperclips that Gwen had in the end
= 3 u
= 3 x 14
= 42
Answer(s): 42