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Question-58508




Question Number 58508 by azizullah last updated on 24/Apr/19
Answered by tanmay last updated on 24/Apr/19
L.P=x  S.P=x−((x×10)/(100))       =((9x)/(10))  C.P=S.P−Profit  C.P=((9x)/(10))−150     =((9x−1500)/(10))  %profit=((150)/((9x−1500)/(10)))×100=20  ((150000)/(9x−1500))=20  180x−30000=150000  x=((180000)/(180))=1000  list price=1000
$${L}.{P}={x} \\ $$$${S}.{P}={x}−\frac{{x}×\mathrm{10}}{\mathrm{100}} \\ $$$$\:\:\:\:\:=\frac{\mathrm{9}{x}}{\mathrm{10}} \\ $$$${C}.{P}={S}.{P}−{Profit} \\ $$$${C}.{P}=\frac{\mathrm{9}{x}}{\mathrm{10}}−\mathrm{150} \\ $$$$\:\:\:=\frac{\mathrm{9}{x}−\mathrm{1500}}{\mathrm{10}} \\ $$$$\%{profit}=\frac{\mathrm{150}}{\frac{\mathrm{9}{x}−\mathrm{1500}}{\mathrm{10}}}×\mathrm{100}=\mathrm{20} \\ $$$$\frac{\mathrm{150000}}{\mathrm{9}{x}−\mathrm{1500}}=\mathrm{20} \\ $$$$\mathrm{180}{x}−\mathrm{30000}=\mathrm{150000} \\ $$$${x}=\frac{\mathrm{180000}}{\mathrm{180}}=\mathrm{1000} \\ $$$${list}\:{price}=\mathrm{1000} \\ $$
Commented by azizullah last updated on 24/Apr/19
        thanks so much
$$\:\:\:\:\:\:\:\:\boldsymbol{\mathrm{thanks}}\:\boldsymbol{\mathrm{so}}\:\boldsymbol{\mathrm{much}} \\ $$

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