There were 71 more windbreakers than vests in a shop. After 73 windbreakers and 20% of the vests were sold, there were an equal number of windbreakers and vests left. How many vests were there in the shop at first?
|
Vests |
Windbreakers |
Before |
5 u |
4 u + 73 |
Change |
- 1 u |
- 73 |
After |
4 u |
4 u |
20% =
20100 =
15There were 71 more windbreakers than vests at first. If another 71 vests were added at first, the number of vests and windbreakers would be the same.
5 u + 71 = 4 u + 73
5 u - 4 u = 73 - 71
1 u = 2
1 u = 2 ÷ 1 = 2
Number of vests in the shop at first
= 5 u
= 5 x 2
= 10
Answer(s): 10