There were 91 more shirts than blouses in a shop. After 81 shirts and 20% of the blouses were sold, there were an equal number of shirts and blouses left. How many blouses were there in the shop at first?
|
Blouses |
Shirts |
Before |
5 u |
4 u + 81 |
Change |
- 1 u |
- 81 |
After |
4 u |
4 u |
20% =
20100 =
15There were 91 more shirts than blouses at first. If another 91 blouses were added at first, the number of blouses and shirts would be the same.
5 u + 91 = 4 u + 81
5 u - 4 u = 81 - 91
1 u = -10
1 u = -10 ÷ 1 = -10
Number of blouses in the shop at first
= 5 u
= 5 x -10
= -50
Answer(s): -50