The first thing you should do for this case is to take 35% out of 9.95 We have then (0.35) * (9.95) = 3.4825 Then, we must add this value from the original price of a dozen 9.95+3.4825 = <span>
<span>13.4325 less a 25 percent trade discount </span></span> 13.4325*(1-0.25)=<span>
<span>10.074375 </span></span> answer the selling price of each dozen should be $<span>
<span>10.074375</span></span>
It would be 1/3 because there are three ingredients. Therefore, if he is allergic to one of everything in each category, there are 3/10 things he is allergic to.