Question

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.

Answer 1

The fixed charges for 3 days is Rs. x
And, for the additional days is Rs. y
A to q
3x + 4y = 27
This linear equation will represent the above information......

Answer 2

Answer:

Given, 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.

⇒ 3 × x + (7 – 3) × y = 27

⇒ 3x + 4y = 27