There were 87 more vests than dresses in a shop. After 65 vests and 10% 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 |
10 u |
9 u + 65 |
Change |
- 1 u |
- 65 |
After |
9 u |
9 u |
10% =
10100 =
110There were 87 more vests than dresses at first. If another 87 dresses were added at first, the number of dresses and vests would be the same.
10 u + 87 = 9 u + 65
10 u - 9 u = 65 - 87
1 u = -22
1 u = -22 ÷ 1 = -22
Number of dresses in the shop at first
= 10 u
= 10 x -22
= -220
Answer(s): -220