Question

the cost of pen is times the cost of a pencil.write a linear equations in two variable to represent this statement​

Answer 1

Answer:

the cost of one pen = x

the cost of pencil= 2 y

the cost of one notebook = x+ y

2+1= 3xy

Answer 2

Step-by-step explanation:

pen=x

pencil=2y

notebook=x+y

2+1=3xy