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Mathematics
Problem
A small factory sells each gadget for ₹150. The total cost (in rupees) of producing
x
x
x
gadgets is
100
x
+
2000
100x + 2000
100
x
+
2000
. Let
P
(
x
)
P(x)
P
(
x
)
denote the profit, where
P
(
x
)
=
R
(
x
)
−
C
(
x
)
P(x)=R(x)-C(x)
P
(
x
)
=
R
(
x
)
−
C
(
x
)
. For what value of
x
x
x
does the factory break even, that is,
P
(
x
)
=
0
P(x)=0
P
(
x
)
=
0
? a)
20
20
20
b)
40
40
40
c)
50
50
50
d)
80
80
80
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