Students are selling T-shirts for a school fundraiser. The table shows the amount they raise from the T-shirt sales.
Shirts Sold
1
2
2
3
4
Amount Raised (dollars)
4
8
12
16
) The
amount raised
depends on the
number of shirts sold
The amount raised is the
dependent
variable and the
number of shirts sold is the
independent
variable
What is the constant of proportionality?
The constant of proportionality is
7
8
9