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Sagot :

Answer:

☥ [tex] \underline{ \underline{ \red{\large{\tt{S \: O \: L \: U \: T \: I \: O \: N}}}}} : [/tex]

  • Let Cost Price ( CP ) be x

☃ [tex] \large{ \tt{MP = x + 30\% \: of \: x}}[/tex]

➝ [tex] \large{ \tt{x + \frac{30}{100}x }}[/tex]

➝ [tex] \large{ \tt{x + 0.3x }}[/tex]

➝ [tex] \large{ \tt{1.3x}}[/tex]

☂ [tex] \large{ \tt{SP = 1.3x - 15\% \: of \: 1.3x}}[/tex]

⇾ [tex] \large{ \tt{1.3x - \frac{15}{100} \times 1.3x}}[/tex]

⇾ [tex] \large{ \tt{1.3x - 0.195x}}[/tex]

⇾ [tex] \large{ \tt{1.105x}}[/tex]

☼ [tex] \large{ \tt{Profit = SP - CP}}[/tex]

⟶ [tex] \large{ \tt{1.105x - x}}[/tex]

⟶ [tex] \large{ \tt{0.105x}}[/tex]

♨ [tex] \large{ \tt{P\% = \frac{Profit}{CP} \times 100 \%}}[/tex]

⤑ [tex] \large{ \tt{ \frac{0.105x}{x} \times 100\%}}[/tex]

⤑ [tex] \boxed{ \large{ \purple{\tt{10.5\%}}}}[/tex]

Hence , Profit % = 10.5 %

♕ Hope I helped ! ♡

☄ Have a wonderful day / night ! ♫

✎ [tex] \underbrace{ \overbrace{ \mathfrak{Carry \: On \: Learning}}}[/tex]

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