計下我返學出席率!
我讀專上學校,而家有一科星期上一次3小時,上到下星期2就完,共13堂,每堂都點一次名,我想問我上了9堂下星期都會返,=10堂,他話要出席7成先可考試,我10堂夠7成?
仲有假如補課多一堂14堂我番10堂,夠7成?
(幫手)計數!!! ...20
2012-12-04 10:38 pm
回答 (3)
2012-12-04 11:55 pm
✔ 最佳答案
當總堂數為13堂,其七成的堂數為13 x 0.7= 9.1堂, 你已上足十堂,因此已足夠7成.如果總堂數為14堂, 7成數為9.8堂,即使補課多一堂,你走堂仍夠7成，放心吧,全力去考試啦.
參考: 自己
2012-12-05 4:44 am
If 13 class have 90% (13 x 0.7= 9.1class)
Now I have 10 class,it have 70%.
if 14 lesson, 70%just 9.8 lesson
it you can have more lesson,you have more70%
Fomi.(ANS)
10/14 x100%=71.75%
more than 70%
Now I have 10 class,it have 70%.
if 14 lesson, 70%just 9.8 lesson
it you can have more lesson,you have more70%
Fomi.(ANS)
10/14 x100%=71.75%
more than 70%
參考: me
收錄日期: 2021-04-13 19:09:23
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20121204000051KK00131