1827 This graph shows a proportional relationship between the number of hours (h)
a business operates and the total cost (c) of electricity.
Cost of Electricity
Cost (%)
200
180
160
140
120
100
80
60
40
20+
1 2 3 4 5 6 7 8 9 10
Number of Hours
Select True or False for each statement about the graph.
True False
Point A represents the total cost of electricity when operating
the business for 6 hours.
The total cost of electricity is $8 when operating the business
for 80 hours.
The total cost of electricity is $10 when operating the
business for 1 hour.