Question

a library has fixed a charge of rupees 5 for a book for first two days and rupees 2 per day there after. If seems keeps a book for x days and she pays rupees y. Express this as a linear equation in two variables. What value does she include in student? ​

Answer 1

Answer:

2x - y + 5 = 0

Step-by-step explanation:

Fixed Charge is constant and additional amount is 2*x and total amount paid is y.

5+2x  = y

2x - y + 5 = 0

Answer 2

Answer:

fixed rupees=5

increased rupees after 2 days =2

and also the days are taken as x so 2x is the increased rupees

paid rupees =y

so,rupees+ increased days rupees= paid rupees

2x+5=y

2x-y+5=0