There were 90 more vests than dresses in a shop. After 55 vests and 20% of the dresses were sold, there were an equal number of vests and dresses left. How many dresses were there in the shop at first?
|
Dresses |
Vests |
Before |
5 u |
4 u + 55 |
Change |
- 1 u |
- 55 |
After |
4 u |
4 u |
20% =
20100 =
15There were 90 more vests than dresses at first. If another 90 dresses were added at first, the number of dresses and vests would be the same.
5 u + 90 = 4 u + 55
5 u - 4 u = 55 - 90
1 u = -35
1 u = -35 ÷ 1 = -35
Number of dresses in the shop at first
= 5 u
= 5 x -35
= -175
Answer(s): -175