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Modeling Problems with Two Variables
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.
weeks
1 2
3 3
4
(20)
As the number of weeks increases, the total dollars
Rin spends increases
dollars
(d)
20
40
60
80
As the number of weeks increases the total dollars
Rin spends decreases.
Intro
✓ Done