There were 45 more coats than dresses in a shop. After 75 coats and 30% of the dresses were sold, there were an equal number of coats and dresses left. How many dresses were there in the shop at first?
| |
Dresses |
Coats |
| Before |
10 u |
7 u + 75 |
| Change |
- 3 u |
- 75 |
| After |
7 u |
7 u |
30% =
30100 =
310There were 45 more coats than dresses at first. If another 45 dresses were added at first, the number of dresses and coats would be the same.
10 u + 45 = 7 u + 75
10 u - 7 u = 75 - 45
3 u = 30
1 u = 30 ÷ 3 = 10
Number of dresses in the shop at first
= 10 u
= 10 x 10
= 100
Answer(s): 100
