Can someone please get me started on this

Answer:
The answer is below
Step-by-step explanation:
y = 100 - 4x
X Equation y
0 y = 100 - 4(0) y = 100
5 y = 100 - 4(5) y = 80
10 y = 100 - 4(10) y = 60
15 y = 100 - 4(15) y = 40
20 y = 100 - 4(20) y = 20
25 y = 100 - 4(25) y = 0