Tristan loves to wear socks with crazy patterns. He finds a great deal for these kinds of socks
at his favorite store, Rock Those Socks.
There is a proportional relationship between the number of pairs of socks that Tristan buys, x,
and the total cost (in dollars), Y.
x (pairs of socks) y (dollars)
5
$10
10
12
15
$20
$24
$30
What is the constant of proportionality? Write your answer as a whole number or decimal.
dollars per pair of socks
TU