SOLUTION: Gianna works in a clothing store. Ten hours represent 25% of Gianna's week. How many hours does she work in one week?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Gianna works in a clothing store. Ten hours represent 25% of Gianna's week. How many hours does she work in one week?      Log On


   

Question 1004965: Gianna works in a clothing store. Ten hours represent 25% of Gianna's week. How many hours does she work in one week?
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
You can do this in a proportion:
10%2F25+=+x%2F100
You multiply both sides by 100 and get
x = 1000/25 = 40 hours