Last Week

Last week,we learn how to calculate time for Interest and Simple Amount use 4 basis concepts.There are Exact time, Approximate time,Ordinary simple interest and Exact simlpe interest.Unluckly, there are many of my friends not come to that morning class because maybe they forget because in Monday our class always start in 2 a clock.At 2 p.m class we went to library to learn how to find information in the correct way. There are 7 way which are ????? Oh no I forgot that short form but I have write it in my note.Miss Ch'ng had given us excercise on that calculation but untill now(untill I write my blog) I still can't finished it because it quite difficult.HELP!HELP!HELP!