Vincent had
49 as many stickers as Kylie. After Vincent bought another 25 stickers, he had 10 less stickers than Kylie. How many stickers did Vincent have at first?
| |
Vincent |
Kylie |
| Before |
4 u |
9 u |
| Change |
+ 25 |
|
| After |
4 u + 25 |
9 u |
Kylie had 10 more stickers than Vincent in the end. So, if Vincent had another 10 stickers, he would have the same number of stickers as Kylie.
9 u = 4 u + 25 + 10
9 u - 4 u = 25 + 10
5 u = 35
1 u = 35 ÷ 5 = 7
Number of stickers that Vincent had at first
= 4 u
= 4 x 7
= 28
Answer: 28
