b i think
step-by-step explanation:
not really sure
you would have to sell 24 bracelets.
84/3.5 = 24
-8/2y-8=5/y+4-7y+8/y^2-16
we move all terms to the left:
-8/2y-8-(5/y+4-7y+8/y^2-16)=0
we can not solve this equation