My name is magicschoolbus123, and I'm here to write some excercises to help you. I'm not sure that is it the right tag, but let's start!
This time is Word Problems.Please please pleaseremember to write the answer in Latex!(If has spoiler, plese write in it)
Note:I will post the answers when the ended post is 49. Don't post when the upper-right's number is 49.