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primary 6 | Maths
| Percentage
2 Answers Below
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Pls help. Tks
Date Posted: 4 years ago
Views: 391
Men 20% = Women 37.5%
Men 1/5 = Women 3/8
Men 3/15 = Women 3/8
Therefore, Total:
Men = 15u
Women = 8u
Total 23u = 2001
1u = 87
Men = 15 x 87 = 1305
Women = 8 x 87 = 696
So, women attended on Tuesday = 696 + 37.5% of 696 = 957.
Men 1/5 = Women 3/8
Men 3/15 = Women 3/8
Therefore, Total:
Men = 15u
Women = 8u
Total 23u = 2001
1u = 87
Men = 15 x 87 = 1305
Women = 8 x 87 = 696
So, women attended on Tuesday = 696 + 37.5% of 696 = 957.
Can I check how u get 3/8
37.5%
= 375/1000
= 75/200 (divide both by 5)
= 15/40 ( divide both by 5 again)
= 3/8 (divide by 5 again)
(Or simply divide by 125 from the start)
Alternatively,
25% = ¼
25% x ½ = ¼ x ½
12.5% = ⅛
12.5% x 3 = ⅛ x 3
37.5% = ⅜
It is useful to remember that :
12.5% = ⅛
37.5% = ⅜
62.5% = ⅝
87.5% = ⅞
= 375/1000
= 75/200 (divide both by 5)
= 15/40 ( divide both by 5 again)
= 3/8 (divide by 5 again)
(Or simply divide by 125 from the start)
Alternatively,
25% = ¼
25% x ½ = ¼ x ½
12.5% = ⅛
12.5% x 3 = ⅛ x 3
37.5% = ⅜
It is useful to remember that :
12.5% = ⅛
37.5% = ⅜
62.5% = ⅝
87.5% = ⅞
Tks
See 2 Answers
done
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HTH
Date Posted:
4 years ago
Since the total in each day are the same, decrease in number of men = increase in number of women
(Use equal concept)
20% = 1/5 = 3/15
37.5% = 3/8
On monday, M : W = 15 : 8
23u -> 2001
1u -> 2001/ 23 = 87
8u -> 87 * 8 = 696
100% -> 696
137.5% -> 696/100 *137.5 = 957
(Use equal concept)
20% = 1/5 = 3/15
37.5% = 3/8
On monday, M : W = 15 : 8
23u -> 2001
1u -> 2001/ 23 = 87
8u -> 87 * 8 = 696
100% -> 696
137.5% -> 696/100 *137.5 = 957
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