A leading library has fixed charge for the first three days and an additional charges for each day thereafter. Johan paid 25rupees for a book kept for seven days. If the fixed charges be rupees X and subsequent per day charges be rupees Y; then write the linear equation representing the above information and draw the graph of the same. From the graph if the fixed charge is 7 rupees, find the subsequent per day charge. And if the per day charge 4rupees,find the fixed charge(charge is 7 rupees)

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Solution

We found a similar question to the one that you posted. Please check it out here.

Let fixed charges for first 3 days = Rs x

and additional charges for each day = Rs y

Total period = 7 days

and amount charges = Rs 25

∴x+(7−3)×y=25⇒x+4y=25Hencex+4y=25

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We found a similar question to the one that you posted. Please check it out here. Let fixed charges for first 3 days = Rs x and additional charges for each day = Rs y Total period = 7 days and amount charges = Rs 25 ∴x+(7−3)×y=25⇒x+4y=25Hencex+4y=25

We found a similar question to the one that you posted. Please check it out here.

Let fixed charges for first 3 days = Rs x

and additional charges for each day = Rs y

Total period = 7 days

and amount charges = Rs 25

∴x+(7−3)×y=25⇒x+4y=25Hencex+4y=25