He pays 119.93$ but including tax he pays 128.92$ With the tax being 8.99$
90/3=30 30*(15)=450 450 is your answer.
Step-by-step explanation:

<em>hop</em><em>e</em><em> </em><em>t</em><em>h</em><em>i</em><em>s</em><em> </em><em>helps</em><em> </em><em>you</em><em>.</em>
ok so first we would do the function d(x) = 3(8)+2
which when solved turns out to be 26
we would then do the function h(x) = 2(26) +7
which when solved turns out to be 59
so he would need 59 dollars for the donuts
2.7/6=x/18
2.7 x 18 = 6x
48.6 = 6x
8.1= x
Jaron paid $8.10