There were 69 more shirts than jackets in a shop. After 66 shirts and 10% of the jackets were sold, there were an equal number of shirts and jackets left. How many jackets were there in the shop at first?
|
Jackets |
Shirts |
Before |
10 u |
9 u + 66 |
Change |
- 1 u |
- 66 |
After |
9 u |
9 u |
10% =
10100 =
110There were 69 more shirts than jackets at first. If another 69 jackets were added at first, the number of jackets and shirts would be the same.
10 u + 69 = 9 u + 66
10 u - 9 u = 66 - 69
1 u = -3
1 u = -3 ÷ 1 = -3
Number of jackets in the shop at first
= 10 u
= 10 x -3
= -30
Answer(s): -30