♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️
Suppose the number of students in one of the classes is :

So ;

_________________________________

So :


♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️



♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️
Compare :

Thus :

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️
Exact Form:
−1/2, b = 1
-12,b=1
Decimal Form:
−0.5,b=1
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Answer:
the surface are of a rectangle box of 5cm long, 3cm wide and 4cm wide is 94cm²