Question

EXERCISE 4.1
1.
The cost of a notebook is twice the cost of a pen. Write a linear
variables to represent this statement.
(Take the cost of a notebook to be Rs x and that of a pen to be Rs y).​

Answer 1

Answer:

x=2y

or

x-2y=0

Step-by-step explanation:

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Answer 2

Answer:

ANSWER

Cost of notebook x

Cost of pen 2yx

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