Kate bought a bus pass that had an initial value of
$90. for every bus ride kate takes, $1.80, the cost of
one bus ride, is subtracted from the value of the pass.
what percent of the initial value of kate's bus pass is
the cost of one bus ride?

answer: i'm great at algebra

~coco

step-by-step explanation:

its line 2 i just added the rest or else it wouldn't let me answer

this is a direct variation proportion. y = kx

y is the total amount due, k is the constant of variation, and x is the number of texts sent.

plug in the 3.20 and the 16 to solve for the "k". this is the constant of proportionality. it is the value that will not change.

3.20 = k(16). solving you get $.20 per text.

the equation would then be y = .20x