There were 57 more dresses than skirts in a shop. After 96 dresses and 30% of the skirts were sold, there were an equal number of dresses and skirts left. How many skirts were there in the shop at first?
|
Skirts |
Dresses |
Before |
10 u |
7 u + 96 |
Change |
- 3 u |
- 96 |
After |
7 u |
7 u |
30% =
30100 =
310There were 57 more dresses than skirts at first. If another 57 skirts were added at first, the number of skirts and dresses would be the same.
10 u + 57 = 7 u + 96
10 u - 7 u = 96 - 57
3 u = 39
1 u = 39 ÷ 3 = 13
Number of skirts in the shop at first
= 10 u
= 10 x 13
= 130
Answer(s): 130