Answer:
y=300x
Step-by-step explanation:
The difference would be subtracting the variables and the dividing the difference by 2
10,000 tiles * 0.25 = 2500
3000 -2500 = 500
so the delivery fee is 500 and the tiles cost 0.25 each
so the equation would be y = 0.25x +500
Answer is C
