Question

The last answer is 180 pls help

Answer 1

40+30+20 = 90 there were 90 students surveyed on the graph

40+20 = 60 sixty liked hip hop or rock

60/90 = 2/3 liked hip hop or rock on the graph

2/3 * 360 in the class = 720/3 = 240

240 in the class should like hip hop or rock