Respuesta :

Cost of hair = $50 - discount

discount = 15% of $50

[tex]\begin{gathered} =\text{ }\frac{15}{100}\text{ x 50} \\ =\text{ }\frac{750}{100} \\ \text{Discount = \$7,5} \end{gathered}[/tex]

Therefore,

Cost of haircut = $50 - $7.5

= $42.5

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