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Form the pair of linear equations …

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Form the pair of linear equations in the problem, and find its solution graphically.: 5 pencils and 7 pens together cost Rs.50 whereas 7 pencils and 5 pens together cost Rs.46. The cost of 1 pen is

Posted by Shifa Jafry 4 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Anushka Tyagi 4 years, 1 month ago

Let x be the price of 1 pencil and y be the price of 1 pen, Now, According to the question And Now, The points (x,y), that satisfies the equation (1) are X3-410Y5100 And, The points(x,y) that satisfies the equation (2) are X38-2Y5-212 The Graph, As we can see from the Graph, both line intersects at point (3,5) that is, x = 3 and y = 5 which means cost of 1 pencil is 3 and cost of 1 pen is 5.

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