Answer:
9/20
Step-by-step explanation:
The first thing we must do for this case is find the number of total guitarists.
We have then:

We now look for the relationship between the number of guitarists playing jazz alone to the total number of guitarists.
We have then:

Where,
x: number of guitarists playing jazz alone
From here, we clear the value of x.

Then, the number of guitarists who play classical solo is:

Answer:
30 guitarists play classical solos in the contest
Answer:
try the 3rd one
Step-by-step explanation:
if it's not right then i'm sorry
x 3
Step-by-step explanation:
Answer:
AB = 1.5
BC = 0
CD = 1.5
AD = 0
Step-by-step explanation:
Sample Answer for Plato