There were 96 more jumpsuits than vests in a shop. After 75 jumpsuits and 30% of the vests were sold, there were an equal number of jumpsuits and vests left. How many vests were there in the shop at first?
| |
Vests |
Jumpsuits |
| Before |
10 u |
7 u + 75 |
| Change |
- 3 u |
- 75 |
| After |
7 u |
7 u |
30% =
30100 =
310There were 96 more jumpsuits than vests at first. If another 96 vests were added at first, the number of vests and jumpsuits would be the same.
10 u + 96 = 7 u + 75
10 u - 7 u = 75 - 96
3 u = -21
1 u = -21 ÷ 3 = -7
Number of vests in the shop at first
= 10 u
= 10 x -7
= -70
Answer(s): -70
