Subject :IMO Class : Class 9
A leading library has a fixed charge for the
first three days and an additional charge for each day thereafter. Aarushi paid ₹ 27 for a book kept for seven days. If fixed charges are ₹ x and per day charges are ₹ y, then which of the following linear equations represents the given information?
A4x + y = 27
Bx + 4y = 27
Cx + 7y = 27
Dx + y + 7 = 27