Darby is reading a book for school. she read 4/10 of the book last week and 2/10 of the book this week. how much of the book does darby have left to read?

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.

Simplify the given expression leaving the answer in improper fraction form. 2/3+5/6