Question 1207837
purchased on discount:

{{{4*85.95=343.8}}}


If not discounted, then some extra x per tire:

{{{4*(x+85.95)}}}



She saved a total of  96.16 dollars.
{{{4(x+85.95)-4*85.95=96.16}}}


.

{{{x+85.95-85.95=96.16/4}}}

{{{x=24.04}}}------the amount saved PER TIRE.


Original Tire Price was  {{{24.04+85.95=highlight(109.99)}}} .