Briefcase

The cost of producing briefcase is € 45. The manufacturer wants to sell it at a profit 30%. For how much will briefcase sell?

Result

x =  58.5 eur

Solution:

q=1+30/100=1310=1.3 x=q⋅ 45=1.3⋅ 45=1172=58.5 eurq=1+ 30/100=\dfrac{ 13 }{ 10 }=1.3 \ \\ x=q \cdot \ 45=1.3 \cdot \ 45=\dfrac{ 117 }{ 2 }=58.5 \ \text{eur}

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