There were 42 more jackets than skirts in a shop. After 54 jackets and 30% of the skirts were sold, there were an equal number of jackets and skirts left. How many skirts were there in the shop at first?
|
Skirts |
Jackets |
Before |
10 u |
7 u + 54 |
Change |
- 3 u |
- 54 |
After |
7 u |
7 u |
30% =
30100 =
310There were 42 more jackets than skirts at first. If another 42 skirts were added at first, the number of skirts and jackets would be the same.
10 u + 42 = 7 u + 54
10 u - 7 u = 54 - 42
3 u = 12
1 u = 12 ÷ 3 = 4
Number of skirts in the shop at first
= 10 u
= 10 x 4
= 40
Answer(s): 40