There were 90 more blazers than coats in a shop. After 55 blazers and 20% 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 |
4 u + 55 |
| Change |
- 1 u |
- 55 |
| After |
4 u |
4 u |
20% =
20100 =
15There were 90 more blazers than coats at first. If another 90 coats were added at first, the number of coats and blazers would be the same.
5 u + 90 = 4 u + 55
5 u - 4 u = 55 - 90
1 u = -35
1 u = -35 ÷ 1 = -35
Number of coats in the shop at first
= 5 u
= 5 x -35
= -175
Answer(s): -175
