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यह कार्य कहाँ लिखना है ?
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संस्कृत में अनुवाद करिए -
यह कार्य कहाँ लिखना है ?
Wrong answer will be reported....
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Answer:
Let the fixed charge be Rs. x and the variable charge be Rs. y per day.
It is given that when a student A takes food for 20 days she has to pay Rs. 1000 as hostel charges, therefore,
x+20y=1000
⇒x=1000−20y..(1)
It is also given that when a student B takes food for 12 days she has to pay Rs. 1180 as hostel charges, therefore, we have:
x+26y=1180
Let us now substitute the value of x from equation 1 as follows:
x+26y=1180
⇒1000−20y+26y=1180
⇒−20y+26y=1180−1000
⇒6y=180
⇒y=
6
180
⇒y=30
Now, substitute the value of y in equation 1:
x=1000−(20×30)=1000−600=400
Therefore, x=400 and y=30.
Hence, the fixed charges is Rs. 400 and the variable charges is Rs. 30 per day.