There were 87 more blazers than coats in a shop. After 99 blazers and 40% of the coats were sold, there were an equal number of blazers and coats left. How many coats were there in the shop at first?
| |
Coats |
Blazers |
| Before |
5 u |
3 u + 99 |
| Change |
- 2 u |
- 99 |
| After |
3 u |
3 u |
40% =
40100 =
25There were 87 more blazers than coats at first. If another 87 coats were added at first, the number of coats and blazers would be the same.
5 u + 87 = 3 u + 99
5 u - 3 u = 99 - 87
2 u = 12
1 u = 12 ÷ 2 = 6
Number of coats in the shop at first
= 5 u
= 5 x 6
= 30
Answer(s): 30
