a lending library has a fixed charge for the first three days and an additional charge for the each day thereafter (means after first three days a certain amount to be paid per each day ). arushi paid Rs 27 for a book kept for seven days . if fixed charge are Rs. x and per day charges are Rs .y . write the linear equation representing the above information and draw its the graph .

a lending library has a fixed charge for the first three days and an a

1.	a lending library has a fixed charge for the first three days and an additional charge for the each day thereafter (means after first three days a certain amount to be paid per each day ). arushi paid Rs 27 for a book kept for seven days . if fixed charge are Rs. x and per day charges are Rs .y . write the linear equation representing the above information and draw its the graph .
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