There were 48 more sweaters than jackets in a shop. After 100 sweaters and 10% 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 |
9 u + 100 |
| Change |
- 1 u |
- 100 |
| After |
9 u |
9 u |
10% =
10100 =
110There were 48 more sweaters than jackets at first. If another 48 jackets were added at first, the number of jackets and sweaters would be the same.
10 u + 48 = 9 u + 100
10 u - 9 u = 100 - 48
1 u = 52
1 u = 52 ÷ 1 = 52
Number of jackets in the shop at first
= 10 u
= 10 x 52
= 520
Answer(s): 520
