Well, a fish can't drown, so were they fish in the first place?
Let the regular price be X
x\98.60 x 100=29%
100x\98.60=29(multiply both sides by 98.60 to remove the denominator
100x=2859.4(divide both sides by 100
x=28.594
regular price=$28.594
the answer to the problem is 2y^3 3x3y4+4