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a leading library has a fixed charge for the first four days and an additional charge for each day there after. dorje paid 50 rupee for a book kept for nine days while kajal paid 35 rupee for the book she kept for 6 days. find the fixed charge and the charge for each extra days ​

Respuesta :

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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