Question

se Study-11 The RWA of a locality is running a lending library to develop the habit of reading books among society. To run this library they charges a fixed amount of 10 for first five days for a book and * 3 for each day there after. n (A) If you borrow the book for 7 days what amount you will have to pay. (a) *15 (b) 16 (c) 70 (d) *21​

Answer 1

Answer:

Let fix charge for reading book to be Rs. x and additional charge for each day be Rs. y

Then x+4y=27...(i)

On subtraction 2=6...(ii)

y=3

Putting value ofy in euqation (i) we gdt

x+4×3⇒x+12=27⇒x=15

(ii) Fixed chage on the book is Rs. 15

(iii) Bunty paid additional Rs. 6 and Shristi paid Rs. 12

(iv) Pair of linear equation in two variables

(v) Reading is a good habit.