There were 91 more skirts than shirts in a shop. After 58 skirts and 10% of the shirts were sold, there were an equal number of skirts and shirts left. How many shirts were there in the shop at first?
|
Shirts |
Skirts |
Before |
10 u |
9 u + 58 |
Change |
- 1 u |
- 58 |
After |
9 u |
9 u |
10% =
10100 =
110There were 91 more skirts than shirts at first. If another 91 shirts were added at first, the number of shirts and skirts would be the same.
10 u + 91 = 9 u + 58
10 u - 9 u = 58 - 91
1 u = -33
1 u = -33 ÷ 1 = -33
Number of shirts in the shop at first
= 10 u
= 10 x -33
= -330
Answer(s): -330