Rin spends $20 every week on drum lessons.

The two variables are:

d = total amount of dollars Rin spends

w = number of weeks

Which statements are correct? Select all that apply.

The independent variable causes a change in the

dependent variable.

The equation is d = 20w.

The equation is w = 20d.

D As the number of weeks increases, the total dollars

Rin spends increases.

As the number of weeks increases, the total dollars

Rin spends decreases.

1213

weeks

(w)

dollars

(d)

20

40

60

80