Question

find the cost price C of an article selling at S after a 30% loss​

Answer 1

Answer:

Given, C.P.=

100

70

×S.P.=0.7S.P.

Since S.P. > C.P, there is a profit

Profit % =

C.P

S.P.−C.P.

×100=

0.7C.P.

S.P−0.7S.P.

×100=42

7

6

%