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. The cost of a notebook •is twice the cost of a pen. Write a. linear equation in two variables to represent this sta.tement. ( Take the cost of a notebook to be r x and that of a pen to be r y).

Harshit Singh , 4 Years ago
Grade 12th pass
anser 2 Answers
Pawan Prajapati

Last Activity: 4 Years ago

Let cost of a notebook = f x and cost of a pen = ' y. According to given condition, x = 2y x - 2y = 0.
ushan pathak

Last Activity: 4 Years ago

 
Let cost of a notebook be  Rs. x and cost of a pen be Rs.  y.  then,
 x = 2y   x - 2y = 0
 
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