There were 74 more dresses than jackets in a shop. After 81 dresses and 10% of the jackets were sold, there were an equal number of dresses and jackets left. How many jackets were there in the shop at first?
| |
Jackets |
Dresses |
| Before |
10 u |
9 u + 81 |
| Change |
- 1 u |
- 81 |
| After |
9 u |
9 u |
10% =
10100 =
110There were 74 more dresses than jackets at first. If another 74 jackets were added at first, the number of jackets and dresses would be the same.
10 u + 74 = 9 u + 81
10 u - 9 u = 81 - 74
1 u = 7
1 u = 7 ÷ 1 = 7
Number of jackets in the shop at first
= 10 u
= 10 x 7
= 70
Answer(s): 70
