Last week Betsy made 80 on her quiz. This week she made 76. What is the percent of decrease in her score?
A5%
B 12.5%
C10%
D 4%
А

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.