Respuesta :

Answer:

78

Step-by-step explanation:

% profit= profit/CP ×100/1

Profit= selling price (S.P) - cost price(C.P)

%profit= 30

profit= 18

% profit= profit / CP×100/1

30= 18/CP ×100/1

30 = 1800 /CP

CP= 1800/30

CP =60

Recall that:

Profit= SP- CP

SP= Profit +CP

= 18+60

=78