Question

A lending library has a fixed charge for the first four days and an additional charges for each day thereafter. Dorje paid Rs 50 for a book kept for 9,while kajal paid Rs 35 for the book she kept for 6 days. find the fixed charges and the and the charges for each extra day​

Answer 1

Answer:

Let the fixed charge for 3 days =x and additional charge =y

According to the question

⇒x+4y=27....eq1

⇒x+2y=21....eq2

Subtract eq1 and eq2

⇒(3x+4y=27)−(3x+2y=21)⇒2y=6⇒y=3

put y=3 in eq1

⇒x+4×3=27⇒x=15 

Fixed charges = Rs. 15

The charge for each extra day = Rs. 3

Step-by-step explanation:

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