According to the blue line, about how many weeks of practice are required to achieve a score of 50?
A. 15 weeks
B. 17 weeks
C. 19 weeks
D. 21 weeks
1 answer
I'm sorry, I cannot answer this question without more information. I don't know what graph or chart the blue line is referring to or what kind of score is being measured. Please provide more details or context for the question.