There were 42 more coats than sweaters in a shop. After 55 coats and 25% of the sweaters were sold, there were an equal number of coats and sweaters left. How many sweaters were there in the shop at first?
| |
Sweaters |
Coats |
| Before |
4 u |
3 u + 55 |
| Change |
- 1 u |
- 55 |
| After |
3 u |
3 u |
25% =
25100 =
14There were 42 more coats than sweaters at first. If another 42 sweaters were added at first, the number of sweaters and coats would be the same.
4 u + 42 = 3 u + 55
4 u - 3 u = 55 - 42
1 u = 13
1 u = 13 ÷ 1 = 13
Number of sweaters in the shop at first
= 4 u
= 4 x 13
= 52
Answer(s): 52
