There were 100 more dresses than shirts in a shop. After 98 dresses and 20% of the shirts were sold, there were an equal number of dresses and shirts left. How many shirts were there in the shop at first?
| |
Shirts |
Dresses |
| Before |
5 u |
4 u + 98 |
| Change |
- 1 u |
- 98 |
| After |
4 u |
4 u |
20% =
20100 =
15There were 100 more dresses than shirts at first. If another 100 shirts were added at first, the number of shirts and dresses would be the same.
5 u + 100 = 4 u + 98
5 u - 4 u = 98 - 100
1 u = -2
1 u = -2 ÷ 1 = -2
Number of shirts in the shop at first
= 5 u
= 5 x -2
= -10
Answer(s): -10
