Question

si 5 kilos de bombones cuestan $36 ¿cuanto costaran 12 kilos ?​

Answer 1

【Rpta.】Doce kilogramos de bombones cuestan $ 86.4

                                   ${\hspace{50 pt}\above 1.2pt}\boldsymbol{\mathsf{Procedimiento}}{\hspace{50pt}\above 1.2pt}$

Para este caso utilizaremos la regla de tres simple directa, ya que ambas magnitudes(kilos de bombones y su costo) son directamente proporcionales.

Entonces

                              $\mathsf{\:\:5\:kilos\:de\:bombones \xrightarrow{\hspace{90pt}} \ \:36\:}\\\mathsf{\:12\:kilos\:de\:bombones \xrightarrow{\hspace{90pt}} \:\:\boldsymbol{\mathsf{x}}}$

                          $\mathsf{\hspace{1 pt}(5\:kilos\:de\:bombones)(x) =(\ \:36\:)(12\:kilos\:de\:bombones)}\\\\\\\mathsf{\hspace{45 pt}x =\dfrac{(\ \:36)(12\:kilos\:de\:bombones\hspace{-75pt}\dfrac{\hspace{2.5cm}}{~})}{(5\:kilos\:de\:bombones\hspace{-75pt}\dfrac{\hspace{2.5cm}}{~})}}\\\\\\\mathsf{\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:x=\dfrac{\ \:432}{5}}\\\\\\\mathsf{\hspace{60 pt}\:\:\:\:\:\:\:\boxed{\boxed{\boldsymbol{\mathsf{x=\ \:86.4\: }}}}}$

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