There were 66 more dresses than coats in a shop. After 55 dresses and 25% of the coats were sold, there were an equal number of dresses and coats left. How many coats were there in the shop at first?
| |
Coats |
Dresses |
| Before |
4 u |
3 u + 55 |
| Change |
- 1 u |
- 55 |
| After |
3 u |
3 u |
25% =
25100 =
14There were 66 more dresses than coats at first. If another 66 coats were added at first, the number of coats and dresses would be the same.
4 u + 66 = 3 u + 55
4 u - 3 u = 55 - 66
1 u = -11
1 u = -11 ÷ 1 = -11
Number of coats in the shop at first
= 4 u
= 4 x -11
= -44
Answer(s): -44
