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segunda=60
tercera 120
30+60+120=210
Segunda parte= 2x
Tercera. parte= 4x
Dinero = 210
x+2x+4x= 210
7x= 210
x= 210/7
x= 30
PRIMERA PARTE
x= 30
SEGUNDA PARTE
2x= 2(30)= 60
TERCERA PARTE
4X= 4(30)= 120
X+2X+4X= 210
30+60+120= 210
210=210