There were 74 more shirts than jumpsuits in a shop. After 71 shirts and 10% of the jumpsuits were sold, there were an equal number of shirts and jumpsuits left. How many jumpsuits were there in the shop at first?
| |
Jumpsuits |
Shirts |
| Before |
10 u |
9 u + 71 |
| Change |
- 1 u |
- 71 |
| After |
9 u |
9 u |
10% =
10100 =
110There were 74 more shirts than jumpsuits at first. If another 74 jumpsuits were added at first, the number of jumpsuits and shirts would be the same.
10 u + 74 = 9 u + 71
10 u - 9 u = 71 - 74
1 u = -3
1 u = -3 ÷ 1 = -3
Number of jumpsuits in the shop at first
= 10 u
= 10 x -3
= -30
Answer(s): -30
