The graph below shows the relatonship between the number of hours cody works and the amount of money he earns at his job. Which of the following statemants is not true about the relationship?
100
90
80
70
60
MONEY EARNED
50
40
30
20
10
1 2 3 4 5 6 7 8 9 10
HOURS WORKED
O If Cody works 20 hours, he will earn $160
O The graph can be represented by y=7.5x
If Cody has earned $120, he has worked 16 hours
O The situation is a proportional relationship?