Question

Question 1 of 10

An electric company calculates a person's monthly bill from the number of
kilowatt-hours help

Answer 1

80.

Explanation:

if x=600kWh, then this value should be substituted into the 2-d equation of the given system (note, 600>200):

b(600)=0.15*(600-200)+20;

b(600)=60+20=80.