plzz answer .....
Asked by kirtichawla94 | 18th Feb, 2010, 04:52: PM
let the original number of students be x.
so the expenditure per person will be 240/x
if the number of students reduces to x-4
the expenditure per person will be 240/(x-4)
of course in this case the expenditure per head is more than before.
since the number of students can't be -ve
Answered by | 18th Feb, 2010, 05:03: PM
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