There were 72 more jumpsuits than dresses in a shop. After 89 jumpsuits and 10% of the dresses were sold, there were an equal number of jumpsuits and dresses left. How many dresses were there in the shop at first?
|
Dresses |
Jumpsuits |
Before |
10 u |
9 u + 89 |
Change |
- 1 u |
- 89 |
After |
9 u |
9 u |
10% =
10100 =
110There were 72 more jumpsuits than dresses at first. If another 72 dresses were added at first, the number of dresses and jumpsuits would be the same.
10 u + 72 = 9 u + 89
10 u - 9 u = 89 - 72
1 u = 17
1 u = 17 ÷ 1 = 17
Number of dresses in the shop at first
= 10 u
= 10 x 17
= 170
Answer(s): 170