(iv) S.P. = 42; profit = 5%
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Answer:
S.P- C.P = profit
S.P = Rs 42.00, C.P= x profit =
100
5
x
∴42−x=
100
5x
⇒42−x=
20
1
x⇒42=x(1+
20
1
)⇒
20
21x
=42
⇒x=2×20=40
Hence C.P of the soap pack = Rs 40
Step-by-step explanation:
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