A lending library has a fixed charge for the first three days and an a

1.	A lending library has a fixed charge for the first three days and an additional charge for each day thereafter Geeta oaid ₹27, for a book kept for seven days while mohit paid ₹21for the book he kept for 5 days find the fixed charges and the charge for each extra day
Answer» ━━━━━━━━━━━━━━━━━━━━━━ Question:- A lending LIBRARY has a FIXED charge for the first THREE days and an additional charge for each day thereafter Geeta oaid ₹27, for a book kept for SEVEN days while mohit paid ₹21for the book he kept for 5 days find the fixed CHARGES and the charge for each extra day ━━━━━━━━━━━━━━━━━━━━━━━━━━ $\text{\large\underline{\orange{Solution:-}}}$ Let the fixed charge for 3 days $\bold{= x}$ and additional charge $\bold{= y}$ $\text{\large\underline{\pink{According\:to\:the\: Question:-}}}$ $\bold{⇒x+4y=27....eq1}$ $\bold{⇒x+2y=21....eq2}$ $\text{\large\underline{\green{Subtract eq1 and eq2}}}$ $\bold{⇒(3x+4y=27)−(3x+2y=21)}$ $\bold{⇒2y=6⇒y=3}$ $\text{\large\underline{\pink{put y=3 in eq1}}}$ $\bold{⇒x+4×3=27}$ $\bold{⇒x=15}$ $\text{\large\underline{\red{Hence,}}}$ Fixed charges = Rs. 15 The charge for each extra day = Rs. 3 ${\fbox{\boxed{\rm{\red{Answer:-Rs= 3}}}}}$ ━━━━━━━━━━━━━━━━━━━━━━━━━━

A lending library has a fixed charge for the first three days and an additional charge for each day thereafter Geeta oaid ₹27, for a book kept for seven days while mohit paid ₹21for the book he kept for 5 days find the fixed charges and the charge for each extra day

Answer»

━━━━━━━━━━━━━━━━━━━━━━

Question:-

A lending LIBRARY has a FIXED charge for the first THREE days and an additional charge for each day thereafter Geeta oaid ₹27, for a book kept for SEVEN days while mohit paid ₹21for the book he kept for 5 days find the fixed CHARGES and the charge for each extra day

━━━━━━━━━━━━━━━━━━━━━━━━━━

$\text{\large\underline{\orange{Solution:-}}}$