There were 50 more shirts than dresses in a shop. After 99 shirts and 10% of the dresses were sold, there were an equal number of shirts and dresses left. How many dresses were there in the shop at first?
|
Dresses |
Shirts |
Before |
10 u |
9 u + 99 |
Change |
- 1 u |
- 99 |
After |
9 u |
9 u |
10% =
10100 =
110There were 50 more shirts than dresses at first. If another 50 dresses were added at first, the number of dresses and shirts would be the same.
10 u + 50 = 9 u + 99
10 u - 9 u = 99 - 50
1 u = 49
1 u = 49 ÷ 1 = 49
Number of dresses in the shop at first
= 10 u
= 10 x 49
= 490
Answer(s): 490