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let no of student be x
so total price is 10x
if student be x+3 total price is 8 (10-2)
(x+3)*8=10x
x=12
so total price is 10x
if student be x+3 total price is 8 (10-2)
(x+3)*8=10x
x=12
nkhelwar:
is it correct
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