Mathematics, 15.11.2019 00:31 lulu3371

Alguien puede ayudarme con este problema? también hay que desarrollar la ecuación algebraica

un intermediario compro un determinado número de refacciones para camionetas de 2 toneladas, con $720 y vendió algunas, excepto 18, gano $6 en cada una. sabía que con el dinero de la venta podría haber comprado 3 refacciones más que antes, calcula el precio de cada refacción

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Alguien puede ayudarme con este problema? también hay que desarrollar la ecuación algebraica
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