There were 97 more coats than blazers in a shop. After 69 coats and 10% of the blazers were sold, there were an equal number of coats and blazers left. How many blazers were there in the shop at first?
|
Blazers |
Coats |
Before |
10 u |
9 u + 69 |
Change |
- 1 u |
- 69 |
After |
9 u |
9 u |
10% =
10100 =
110There were 97 more coats than blazers at first. If another 97 blazers were added at first, the number of blazers and coats would be the same.
10 u + 97 = 9 u + 69
10 u - 9 u = 69 - 97
1 u = -28
1 u = -28 ÷ 1 = -28
Number of blazers in the shop at first
= 10 u
= 10 x -28
= -280
Answer(s): -280