There were 51 more vests than jumpsuits in a shop. After 53 vests and 10% of the jumpsuits were sold, there were an equal number of vests and jumpsuits left. How many jumpsuits were there in the shop at first?
| |
Jumpsuits |
Vests |
| Before |
10 u |
9 u + 53 |
| Change |
- 1 u |
- 53 |
| After |
9 u |
9 u |
10% =
10100 =
110There were 51 more vests than jumpsuits at first. If another 51 jumpsuits were added at first, the number of jumpsuits and vests would be the same.
10 u + 51 = 9 u + 53
10 u - 9 u = 53 - 51
1 u = 2
1 u = 2 ÷ 1 = 2
Number of jumpsuits in the shop at first
= 10 u
= 10 x 2
= 20
Answer(s): 20
