There were 41 more dresses than sweaters in a shop. After 77 dresses and 10% of the sweaters were sold, there were an equal number of dresses and sweaters left. How many sweaters were there in the shop at first?
| |
Sweaters |
Dresses |
| Before |
10 u |
9 u + 77 |
| Change |
- 1 u |
- 77 |
| After |
9 u |
9 u |
10% =
10100 =
110There were 41 more dresses than sweaters at first. If another 41 sweaters were added at first, the number of sweaters and dresses would be the same.
10 u + 41 = 9 u + 77
10 u - 9 u = 77 - 41
1 u = 36
1 u = 36 ÷ 1 = 36
Number of sweaters in the shop at first
= 10 u
= 10 x 36
= 360
Answer(s): 360
