There were 81 more vests than jackets in a shop. After 60 vests and 20% of the jackets were sold, there were an equal number of vests and jackets left. How many jackets were there in the shop at first?
| |
Jackets |
Vests |
| Before |
5 u |
4 u + 60 |
| Change |
- 1 u |
- 60 |
| After |
4 u |
4 u |
20% =
20100 =
15There were 81 more vests than jackets at first. If another 81 jackets were added at first, the number of jackets and vests would be the same.
5 u + 81 = 4 u + 60
5 u - 4 u = 60 - 81
1 u = -21
1 u = -21 ÷ 1 = -21
Number of jackets in the shop at first
= 5 u
= 5 x -21
= -105
Answer(s): -105
