A Lending Library Has a Fixed Charge for the First Three Days and an Additional Charge for Each Day Thereafter. Aarushi Paid Rs 27 for a Book Kept for Seven Days. If Fixed Charges Are Rs π‘₯ and per Da - Mathematics

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A lending library has a fixed charge for the first three days and an additional charge for each
day thereafter. Aarushi paid Rs 27 for a book kept for seven days. If fixed charges are Rs π‘₯
and per day charges are Rs y. Write the linear equation representing the above information.


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Total charges paid by Aarushi is given by

       27 = x + 4y

⇒    x + 4y = 27

This is the required linear equation for the given information.

Concept: Solution of a Linear Equation
  Is there an error in this question or solution?


RD Sharma Mathematics for Class 9
Chapter 7 Linear Equations in Two Variables
Exercise 7.3 | Q 4

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