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CBSE Class 10 Answered

Please solve this question 
question image
Asked by vikasg13.hardware | 22 Aug, 2018, 10:52: AM
answered-by-expert Expert Answer
Let the average expenditure of a student be Rs. x
Original total expenses = Rs. 35x
New average expenditure per student = Rs. x - 1
New total expenses = 35x + 42
According to teh question,
begin mathsize 16px style fraction numerator 35 straight x plus 42 over denominator 42 end fraction equals straight x minus 1
35 straight x plus 42 equals 42 straight x minus 42
7 straight x equals 84
straight x equals 12
Original space expenditure space of space the space mess equals 35 cross times 12 equals Rs. space 420 end style
Answered by Sneha shidid | 23 Aug, 2018, 10:34: AM
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