There were 78 more blazers than dresses in a shop. After 69 blazers and 20% of the dresses were sold, there were an equal number of blazers and dresses left. How many dresses were there in the shop at first?
|
Dresses |
Blazers |
Before |
5 u |
4 u + 69 |
Change |
- 1 u |
- 69 |
After |
4 u |
4 u |
20% =
20100 =
15There were 78 more blazers than dresses at first. If another 78 dresses were added at first, the number of dresses and blazers would be the same.
5 u + 78 = 4 u + 69
5 u - 4 u = 69 - 78
1 u = -9
1 u = -9 ÷ 1 = -9
Number of dresses in the shop at first
= 5 u
= 5 x -9
= -45
Answer(s): -45