There were 57 more jackets than sweaters in a shop. After 87 jackets and 40% of the sweaters were sold, there were an equal number of jackets and sweaters left. How many sweaters were there in the shop at first?
|
Sweaters |
Jackets |
Before |
5 u |
3 u + 87 |
Change |
- 2 u |
- 87 |
After |
3 u |
3 u |
40% =
40100 =
25There were 57 more jackets than sweaters at first. If another 57 sweaters were added at first, the number of sweaters and jackets would be the same.
5 u + 57 = 3 u + 87
5 u - 3 u = 87 - 57
2 u = 30
1 u = 30 ÷ 2 = 15
Number of sweaters in the shop at first
= 5 u
= 5 x 15
= 75
Answer(s): 75