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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 ЁЭСе
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.
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