according to the blue line about how many weeks of practice are required to achieve a score of 50?

Question

according to the blue line about how many weeks of practice are required to achieve a score of 50?
15
17
19
21

Ms. Sue · Answer

http://www.google.com/#q=+blue+line++practice

DoggyBF · Answer

that link does nothing i sends us to the google home page or something

DoggyBF · Answer

it i mean it sends you to the google home page

DoggyBF · Answer

But the answer is 21 BTW