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1.In a camping activity, there are altogether 200 secondary one and two students. It is known that 60% of them are girls and among these girls, 40 are from secondary one.
(a) Find the number of girls participating in this camping activity.
(b) Find the number of girls from secondary two participating in this camping activity.
(c) What percentage of students are girls from secondary two?
F.1 English's maths
2007-02-18 12:24 am
回答 (3)
2007-02-18 12:38 am
✔ 最佳答案
(1)在一場宿營活動,有共200個中一與中二學生.有60%是女的,其中40人是中一的.
(a) 求參與此活動的女生的人數.
(b) 求參與此活動的中二女生的人數.
(c) 求中二女生佔所有女生的百分比.
(a)
There are 200x60%=120 girls participating in this camping activity.
(b)
There are 200x60%-40=80 girls from secondary two participating in the camping activity.
(c)
The percentage of students of girls from S.2:
(80/200)x100%=40%
2007-02-18 12:45 am
a) 200*60%
=200*0.6
=120
there has 120 girls in the cmping activity.
b) 120-40
=80
there has 80 girls from secondary two.
c) 80/200*100%
=40%
the percentage of students are girls from secondary two is 40.
在一個營裡,共有200個中一同中二的學生. 有60%是女孩, 在裡面有40 人是中一生.
a) 求女孩有幾人?
b)求中二女孩有幾人?
c)求中二女孩是所有學生的百份比?
=200*0.6
=120
there has 120 girls in the cmping activity.
b) 120-40
=80
there has 80 girls from secondary two.
c) 80/200*100%
=40%
the percentage of students are girls from secondary two is 40.
在一個營裡,共有200個中一同中二的學生. 有60%是女孩, 在裡面有40 人是中一生.
a) 求女孩有幾人?
b)求中二女孩有幾人?
c)求中二女孩是所有學生的百份比?
參考: me
2007-02-18 12:34 am
佢問,
係一個camp,總共有200個f.1and f.2既學生.其中60%係女仔同埋係60%中,40個係f.1既.
a)搵參加左既女仔人數.
Ans:::200x60%=120
b)搵女仔中f.2 既人數.
ans:::120-40=80
c)f.2既女仔係總人數既幾%?
80
__ x100%=40%
200
希望你睇得明啦.
係一個camp,總共有200個f.1and f.2既學生.其中60%係女仔同埋係60%中,40個係f.1既.
a)搵參加左既女仔人數.
Ans:::200x60%=120
b)搵女仔中f.2 既人數.
ans:::120-40=80
c)f.2既女仔係總人數既幾%?
80
__ x100%=40%
200
希望你睇得明啦.
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