A survey asked a group of students to choose their favorite type of music from the choices of rock, hip-hop, and country. The results of the survey are shown in the graph. Based on the graph, how many more students in a class of 270 students would be expected to choose country than rock? A) 10
B) 20
C) 30
D) 60

As there is no graph attached so you have to done it yourself, Steps provided below for making it easier.

Done!You found the answer

the answer is b.

step-by-step explanation:

by the trigonometric ratio tangent, tangent equals opposite divided by adjacent.

therefore, tan(50) equals ac/3

multiply each side by 3 to get: ac=3tan(50)

the answer is b.

3 is greater then both of those numbers