Question

5 pencils and 7 pens together cost 50, whereas 7 pencils and 5 pens together cost ₹46 Find the cost of one pencil and that of one pen. by graphical method
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Answer 1

Answer:

Since the point of intersection is (3,5), Hence, the cost of one pencil is Rs. 3 and the cost of one pen is Rs. 5.