0.19 The cost of a pen is four time...
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0.19 The cost of a pen is four times the cost of a pencil express the statement as a linear equation in two variables.

11th - 12th Class
Maths
Solution
137
Rating
4.0 (1 ratings)
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cost of pen=4 times the cost of pencil Let the cost of pen be ( y ) Let the cost of pencil be ( x ) ( y=4 x )
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