Analyze and solve the given problem.
Ziah went to the National Book Store to buy some school supplies. She bought one notebook and 4 pencils and
paid P61. On the next day, she went again to the same store. She bought 2 notebooks and 2 pens and paid P68
A Write equations to represent the given situation.
B. How much is a piece of notebook? How about a piece of pencil? Show your solution​