There were 73 more windbreakers than coats in a shop. After 81 windbreakers and 40% of the coats were sold, there were an equal number of windbreakers and coats left. How many coats were there in the shop at first?
| |
Coats |
Windbreakers |
| Before |
5 u |
3 u + 81 |
| Change |
- 2 u |
- 81 |
| After |
3 u |
3 u |
40% =
40100 =
25There were 73 more windbreakers than coats at first. If another 73 coats were added at first, the number of coats and windbreakers would be the same.
5 u + 73 = 3 u + 81
5 u - 3 u = 81 - 73
2 u = 8
1 u = 8 ÷ 2 = 4
Number of coats in the shop at first
= 5 u
= 5 x 4
= 20
Answer(s): 20
