I have provided a picture for this. I need the answers to #2 a, b, and c!!
1 answer:
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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
-px + r = - 8x - 2
-px + r + 8x +2 = 0
-px +8x = -r -2
x(8-p) = -r -2
x= =