On a shelf, there were 44 hoodies and blouses. Albert spilt hot soy milk on the shelf and stained 50% of the blouses and 25% of the hoodies. If 26 hoodies and blouses were still clean, how many stained blouses were there?
|
Hoodies |
Blouses |
Total |
Stained |
1 u |
1 p |
18 |
Clean |
3 u |
1 p |
26 |
Total |
4 u |
2 p |
44 |
50% =
50100 =
12 25% =
25100 =
14 Number of stained clothes
= 44 - 26
= 18
3 u + 1 p = 26
1 p = 26 - 3 u --- (1)
1 u + 1 p = 18
1 p = 18 - 1 u --- (2)
(2) - (1)
18 - 1 u = 26 - 3 u
3 u - 1 u = 26 - 18
2 u = 8
1 u = 8 ÷ 2 = 4
Number of stained blouses
= 18 - 1 u
= 18 - 4
= 14
Answer(s): 14