Answer:
60
Step-by-step explanation:
4*15=60
x 0 1 2 3 4
y 11 9 7 5 3
basically you just plug in all of the x values shown in the table into the equation, to find the matching y values.
i hope this helps :)
155=35= 120
120+20x=155
the answer is solved in the image below.
