Respuesta:
400
Explicación paso a paso:
Dt=2400
x=Billete de 100
y=Billete de 50
100x+50y=2400
x=28-y
________remplazamos
100(28-y)+50y=2400
2800-100y+50y=2400
400=50y
8=y====>50x8=400
x=20===>100x20=2000
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Respuesta:
400
Explicación paso a paso:
Dt=2400
x=Billete de 100
y=Billete de 50
100x+50y=2400
x=28-y
________remplazamos
100(28-y)+50y=2400
2800-100y+50y=2400
400=50y
8=y====>50x8=400
x=20===>100x20=2000