So.. hmmm if we take "x" to be the 100% sale price before tax, $76 is really 9.5% of that
thus

solve for "x"
Replace x with 2 and solve:
3(2)^3 - 4(2)^2 +2-1 = 9
answer is E none of these
You can make 22 batches of chocolate chip cookies. And for the second one you can make about 7 batches of lemon cookies