7. 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.
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A lending library has fixed charge for the first three days and an additional charges for each day thereafter… ... John paid Rs.27 for a book kept for seven days. If the fixed charges be Rs.x and subsequent per day charges be Rs.y, then write the linear equation ... Fixed charge of the book for 3 days = Rs. x.
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