There were 86 more dresses than vests in a shop. After 82 dresses and 40% of the vests were sold, there were an equal number of dresses and vests left. How many vests were there in the shop at first?
|
Vests |
Dresses |
Before |
5 u |
3 u + 82 |
Change |
- 2 u |
- 82 |
After |
3 u |
3 u |
40% =
40100 =
25There were 86 more dresses than vests at first. If another 86 vests were added at first, the number of vests and dresses would be the same.
5 u + 86 = 3 u + 82
5 u - 3 u = 82 - 86
2 u = -4
1 u = -4 ÷ 2 = -2
Number of vests in the shop at first
= 5 u
= 5 x -2
= -10
Answer(s): -10