X - y = 4 X + y =8

The x-coordinate of the solution to the system shown is

1. 12
2. 4
3. 6
4. 2

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.