Question

If the cost of a note book is thrice the cost of a pen. A student write this information in the form of ax +by +c=0. choose the correct option: 



a) a= 3, b= 1, c= 0

b) a= 1, b= 3, c= 3

c) a = 1, b= -3, c= 0

d) a = - 3 , b= 1, c= -2​

Answer 1

Answer:

option B is the correct answer

Step-by-step explanation:

a=1, b=3, c=3