A shopkeeper gives books on rent …

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A shopkeeper gives books on rent for reading. She takes a fixed charge for the first two days and an additional charge for each day thereafter. Latika paid Rs. 22 for a book kept for six days, while Anand paid Rs. 16 for the book kept for 4 days. Find the fixed charges and the charge for each extra day

Posted by Shobhit Mittal 7 years ago

CBSE > Class 10 > Mathematics

2 answers

Mh Kamali 7 years ago

Let the fixed charge for 1st two days is Rs.x and additional charge for each day is Rs.y For Latika, A/q x+5y=22 ------(1) For Anand, Also, x+3y=16 ------(2) On subtracting equation (2) from equation(1) We get, (x+5y)-(x+3y)=22-16 => x+5y-x-3y=6 => 2y=6 => y=6/2 =>y=3 Now, put value of y in equation (2) x+3×3=16 => x+9=16 => x=16-9 => x=7 Hence, fixed charge for 1st two days is Rs.7 and charge for each day is Rs.3

1Thank You

Sohan Pavan 7 years ago

Let the fixed charge be x and let the additional charge be y

1Thank You

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