Select the choice that translates the following verbal phrase correctly to algebra: one half of a number decreased by 16
a. n minus 16 over 2
b. one halfn − 16
c. one half(n − 16)
d. n − one half(16)

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.