There were 67 more shirts than skirts in a shop. After 72 shirts and 10% of the skirts were sold, there were an equal number of shirts and skirts left. How many skirts were there in the shop at first?
| |
Skirts |
Shirts |
| Before |
10 u |
9 u + 72 |
| Change |
- 1 u |
- 72 |
| After |
9 u |
9 u |
10% =
10100 =
110There were 67 more shirts than skirts at first. If another 67 skirts were added at first, the number of skirts and shirts would be the same.
10 u + 67 = 9 u + 72
10 u - 9 u = 72 - 67
1 u = 5
1 u = 5 ÷ 1 = 5
Number of skirts in the shop at first
= 10 u
= 10 x 5
= 50
Answer(s): 50
