Answer:
[tex]1000[/tex]
Step-by-step explanation:
[tex]\text{Let the cost price (C.P.) be }x.\\\text{Given,}\\\text{Selling price (S.P.) = }880\\\text{Loss percent = }12\%\\\text{Using formula,}\\\text{S.P. = C.P.}-\text{loss}\%\text{ of C.P.}\\\text{or, }880=x-12\%\times x\\\text{or, }880=x-0.12x=0.88x\\\text{or, }x=\dfrac{880}{0.88}\\\\\therefore\ x=1000\\\text{So the cost price is 1000.}[/tex]
Alternative method:
[tex]\text{C.P.}=\dfrac{100\text{S.P.}}{100-\text{L}\%}=\dfrac{100(880)}{100-12}=\dfrac{88000}{88}=1000[/tex]
[tex]\text{In case of profit, this formula will be:}\\\\\text{C.P.}=\dfrac{100\text{S.P.}}{100+\text{P}\%}[/tex]
