Form the pair of linear equations in the following problems, and find their solutions graphically. 5 pencils and 7 pens together cost Rs 50, whereas 7 pencils and 5 pens together costRs. 46. Find the cost of one pencil and that of one pen.

Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter11: Systems Of Equations
Section11.CR: Review Problem Set
Problem 33CR
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Form the pair of linear equations in the following problems, and find their solutions graphically. 5 pencils and 7 pens together cost Rs 50, whereas 7 pencils and 5 pens together cost
Rs. 46. Find the cost of one pencil and that of one pen.

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