There were 97 more dresses than shirts in a shop. After 99 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 + 99 |
Change |
- 1 u |
- 99 |
After |
4 u |
4 u |
20% =
20100 =
15There were 97 more dresses than shirts at first. If another 97 shirts were added at first, the number of shirts and dresses would be the same.
5 u + 97 = 4 u + 99
5 u - 4 u = 99 - 97
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