Question

the cost of a book is three times the cost of note book . express this in linear equation in two variables​

Answer 1

Answer:

let the cost of the book is x

and cost of note book is y

so equation will be x=3y

Answer 2

Answer:

Let the cost of book= x

Let the cost of note book= y

According to question

x=3y

Step-by-step explanation:

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