Pencil and a ruler cost 1.50 together. the ruler costs 1.00 more than the pencil. how much does the pencil cost

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.