Student classroom are made to stand in rows if 4 students are extra in a room they would be 2 rows less if 4 students election in a row there would be 2 rows more find the number of students in the class
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Le no of rows = x and no of student in each row y
total no of student x*y
By given condition
(x-2)(y+4)=xy (i)
(x+4)(y-4)=xy (ii)
Solve
x=8, y=12
no of student = 12*8 = 96
total no of student x*y
By given condition
(x-2)(y+4)=xy (i)
(x+4)(y-4)=xy (ii)
Solve
x=8, y=12
no of student = 12*8 = 96
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