Ex 3.4 Q.No-2 (v) | Linear Equations Class 10 Maths | Ncert | A lending library has a fixed charge

Ex 3.4 Q.No-2 (v) Pair of Linear Equations in Two Variables Class 10 Maths Ncert. A lending library has a fixed charge for the first three days and an additional charge for each day thereafter. Saritha paid Rs 27 for a book kept for seven days