Answer:
Its 0.08,
Step-by-step explanation:
This is because the rate of change is y divided by x (
), so do y (which you could plug in 112, or any number in the sales tax, then divide by x, which could be 1400, or the other ones
Tho you have to do the pair that corresponds, like 112 divided by 1400, or 192 divided by 2400.