There were 51 more dresses than skirts in a shop. After 67 dresses and 10% 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 |
9 u + 67 |
Change |
- 1 u |
- 67 |
After |
9 u |
9 u |
10% =
10100 =
110There were 51 more dresses than skirts at first. If another 51 skirts were added at first, the number of skirts and dresses would be the same.
10 u + 51 = 9 u + 67
10 u - 9 u = 67 - 51
1 u = 16
1 u = 16 ÷ 1 = 16
Number of skirts in the shop at first
= 10 u
= 10 x 16
= 160
Answer(s): 160