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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2x-4y=27

2x+4y=27

x+4y=27

x-4y=27

answer is C.

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Detailed Solution

Aarushi paid Rs 27, of which Rs. x for the first three days and Rs. y per day for 4 more days is given by
x + (7 – 3) y = 27
x + 4y = 27
Above equation represents the linear equation for the given information.

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