There were 64 more dresses than blazers in a shop. After 61 dresses and 30% of the blazers were sold, there were an equal number of dresses and blazers left. How many blazers were there in the shop at first?
| |
Blazers |
Dresses |
| Before |
10 u |
7 u + 61 |
| Change |
- 3 u |
- 61 |
| After |
7 u |
7 u |
30% =
30100 =
310There were 64 more dresses than blazers at first. If another 64 blazers were added at first, the number of blazers and dresses would be the same.
10 u + 64 = 7 u + 61
10 u - 7 u = 61 - 64
3 u = -3
1 u = -3 ÷ 3 = -1
Number of blazers in the shop at first
= 10 u
= 10 x -1
= -10
Answer(s): -10
