There were 71 more dresses than sweaters in a shop. After 59 dresses and 20% 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 |
5 u |
4 u + 59 |
| Change |
- 1 u |
- 59 |
| After |
4 u |
4 u |
20% =
20100 =
15There were 71 more dresses than sweaters at first. If another 71 sweaters were added at first, the number of sweaters and dresses would be the same.
5 u + 71 = 4 u + 59
5 u - 4 u = 59 - 71
1 u = -12
1 u = -12 ÷ 1 = -12
Number of sweaters in the shop at first
= 5 u
= 5 x -12
= -60
Answer(s): -60
