There were 85 more sweaters than blouses in a shop. After 81 sweaters and 10% of the blouses were sold, there were an equal number of sweaters and blouses left. How many blouses were there in the shop at first?
| |
Blouses |
Sweaters |
| Before |
10 u |
9 u + 81 |
| Change |
- 1 u |
- 81 |
| After |
9 u |
9 u |
10% =
10100 =
110There were 85 more sweaters than blouses at first. If another 85 blouses were added at first, the number of blouses and sweaters would be the same.
10 u + 85 = 9 u + 81
10 u - 9 u = 81 - 85
1 u = -4
1 u = -4 ÷ 1 = -4
Number of blouses in the shop at first
= 10 u
= 10 x -4
= -40
Answer(s): -40
