There were 80 more skirts than vests in a shop. After 62 skirts and 10% 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 |
10 u |
9 u + 62 |
| Change |
- 1 u |
- 62 |
| After |
9 u |
9 u |
10% =
10100 =
110There were 80 more skirts than vests at first. If another 80 vests were added at first, the number of vests and skirts would be the same.
10 u + 80 = 9 u + 62
10 u - 9 u = 62 - 80
1 u = -18
1 u = -18 ÷ 1 = -18
Number of vests in the shop at first
= 10 u
= 10 x -18
= -180
Answer(s): -180
