On a shelf, there were 208 shirts and blouses. Japheth spilt hot orange juice on the shelf and stained 50% of the blouses and 10% of the shirts. If 176 shirts and blouses were still clean, how many stained blouses were there?
| |
Shirts |
Blouses |
Total |
| Stained |
1 u |
1 p |
32 |
| Clean |
9 u |
1 p |
176 |
| Total |
10 u |
2 p |
208 |
50% =
50100 =
12 10% =
10100 =
110 Number of stained clothes
= 208 - 176
= 32
9 u + 1 p = 176
1 p = 176 - 9 u --- (1)
1 u + 1 p = 32
1 p = 32 - 1 u --- (2)
(2) - (1)
32 - 1 u = 176 - 9 u
9 u - 1 u = 176 - 32
8 u = 144
1 u = 144 ÷ 8 = 18
Number of stained blouses
= 32 - 1 u
= 32 - 18
= 14
Answer(s): 14
