find no. of students in the class
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Hello! hope this may help u
MAYA❤
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Given:-
let the no.of rows= a
student in each row =b
solve:-
all students = ab
(a-b)(b+3)=ab
on solving
we get,
3a-b=3 ----eqn(1)
Again
(a+2)(b-3)= ab
on solving
we get,
b=9
putting the value of y in.eqn(1)
3a-9=3
a=4
no.of student =ab
4×9
=36 answer
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