There were 62 more sweaters than jackets in a shop. After 53 sweaters and 30% of the jackets were sold, there were an equal number of sweaters and jackets left. How many jackets were there in the shop at first?
| |
Jackets |
Sweaters |
| Before |
10 u |
7 u + 53 |
| Change |
- 3 u |
- 53 |
| After |
7 u |
7 u |
30% =
30100 =
310There were 62 more sweaters than jackets at first. If another 62 jackets were added at first, the number of jackets and sweaters would be the same.
10 u + 62 = 7 u + 53
10 u - 7 u = 53 - 62
3 u = -9
1 u = -9 ÷ 3 = -3
Number of jackets in the shop at first
= 10 u
= 10 x -3
= -30
Answer(s): -30
