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

Total charges paid by Aarushi is given by

       27 = x + 4y

⇒    x + 4y = 27

This is the required linear equation for the given information.