Mathematics, 01.10.2021 08:50 teescub812

Cual es el 80% del inverso multiplicativo de 0,4? La diferencia entre el 90% y el 75% de un numero es 3 ¿cual es el numero?

El 75% de la mitad de un numero es 3 ¿cual es el numero?

Un camion que lleva 6.750 kilos de carga pesa (con carga incluida) 9000 kilos. ¿Que porcentaje del peso total corresponde al peso del camion?

Porfavor, si no saben no respondan, es para mañana, al que me responda le doy gracias ;>
pd:perdon por las faltas de ortografia

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