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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 𝑥 and per Da - CBSE Class 9 - Mathematics

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Question

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 𝑥
and per day charges are Rs y. Write the linear equation representing the above information.

 

Solution

Total charges paid by Aarushi is given by

       27 = x + 4y

⇒    x + 4y = 27

This is the required linear equation for the given information.

  Is there an error in this question or solution?

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Solution 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 𝑥 and per Da Concept: Solution of a Linear Equation.
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