Answer:
1 notebook cost $2.27
Step-by-step explanation:
Multiply the unit cost of the pencils by how many pencils you have : ( 1.29*3 = 3.87)
Subtract this from the total cost ( 10.68 - 3.87 = 6.81)
Divide this by 3 since there are 3 notebooks
6.81 / 3 = $2.27
