Answer :

Let Latika takes a fixed charge for the first two day is Rs x and additional charge for each day thereafter is Rs y.

Now by first condition.


Latika paid Rs 22 for a book kept for six days i.e., for first two days as Rs x and remaining Rs 4y.


x + 4y = 22 …(i)


and by second condition,


Anand paid Rs 16 for a book kept for four days i.e., for first two days as x’ and remaining Rs 2y.


x + 2y = 16 …(ii)


Now, subtracting Eq. (ii) from Eq. (i), we get


2y = 6


y = 3


On putting the value of y in Eq. (ii), we get


x + 2(3) = 16


x = 10


Hence, the fixed charge = Rs 10


and the charge for each extra day Rs 3.


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