PSLE Hazel had 71 post-it notes and Usha had 27 post-it notes. After Hazel gave some of her post-it notes to Usha, the number of post-it notes Hazel and Usha had was in the ratio 2 : 5. How many post-it notes did Usha have in the end?
|
Hazel |
Usha |
Total |
Before |
71 |
27 |
98 |
Change |
- ? |
+ ? |
|
After |
2 u |
5 u |
7 u |
Total number of post-it notes
= 71 + 27
= 98
Total number of post-it notes
= 2 u + 5 u
= 7 u
7 u = 98
1 u = 98 ÷ 7 = 14
Number of post-it notes that Usha had in the end
= 5 u
= 5 x 14
= 70
Answer(s): 70