A machine at a bakery is pouring out flour. The graph shows the amount of flour (in grams) in the machine versus time (in minutes).
(a) What is the amount of flour in the machine at minutes?

(b) Choose the statement that best describes how the time and amount of flour are related. Then fill in the blank.

As time increases, the amount of flour in the machine decreases.
At what rate is the amount of flour decreasing?

As time increases, the amount of flour in the machine increases.
At what rate is the amount of flour increasing?