I don't know how to do these sums..who can help me??
1.$100 by 20%
2.60 minutes by 75%
Please show me the steps and aws ..THANKYOU~~
F.1 Maths . Help!!! (English)
2008-11-20 6:27 am
回答 (1)
2008-11-20 6:35 am
✔ 最佳答案
1.$100 by 20%$100*(1-20%)
=$100*80%
=$80
2.60 minutes by 75%
60*(1-75%)
=60*15%
=9min
P.S.whenever you see the word 'by' and ask you for percentage, just use '1' to subtract the percen is okay...
收錄日期: 2021-04-27 12:09:22
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081119000051KK01828