There were 79 more skirts than vests in a shop. After 60 skirts and 25% of the vests were sold, there were an equal number of skirts and vests left. How many vests were there in the shop at first?
|
Vests |
Skirts |
Before |
4 u |
3 u + 60 |
Change |
- 1 u |
- 60 |
After |
3 u |
3 u |
25% =
25100 =
14There were 79 more skirts than vests at first. If another 79 vests were added at first, the number of vests and skirts would be the same.
4 u + 79 = 3 u + 60
4 u - 3 u = 60 - 79
1 u = -19
1 u = -19 ÷ 1 = -19
Number of vests in the shop at first
= 4 u
= 4 x -19
= -76
Answer(s): -76