1.

express the statent in the form of linear equation in two variable 1. a set of pen consisting of 1 ball pen and 1 ink pen cost rs 200

Answer»

Heya!Here is your answer friend⏬
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Let the COST of a ball pen be Rs.X

Let the cost of an ink pen be Rs.Y

A.T.Q

➡ X + Y = 200

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