I'll make you the branliest if you answer this question correctly

Every hour, the number of liters decreases by 0.5 liter.

It takes 0.5 hour for the water to decrease by one liter. You can also tell because the line is going down showing that it is decreasing or you can subtract the X-axis

2 - 1.5 which equals 0.5.

linear

step-by-step explanation:

the answer is 0.3175 hope that you ^w^

also you might actually want to put this picture up if you want people to solve it luckily i remember this question