Question 44086
Work out the price per ounce by dividing the price by the weight.
(A) 1.29/32=0.04 $/oz.
(B)1.59/45=0.035$/oz.
(C)1.79/48=0.037$/oz.
(D)1.99/(32+16)=1.99/48=0.041$/oz.
So The best buy is (B)

I hope this helps 
P.S. I am trying to start up my own homework help website. I would be extremely grateful if you would e-mail me some feedback on the help you received to adam.chapman@student.manchester.ac.uk