Answer:
option A is correct answer......
-8k= 48
divide 8
ANSWER: k = -6
THE STEPS AND ANSWER IS IN THE PICTURE
In a survey with 60 people, each people would get 1/60th of the chart which has 360 degrees, so everyone would get 360/60=6 degrees
and 13 people would get 13*6=78 degrees!
