Respuesta:
a tiene 4 540, b tiene 3 990 y c 2 470
Explicación paso a paso:
a + b +c = 11 000
2c - a = 400
2c - 400 = a
2b - 3c = 570
2b = 570 + 3c
b = (570 + 3c)/2
2c - 400 + (570 + 3c)/2 + c = 11 000
4c - 800 + 570 + 3c + 2c = 22 000
9c - 230 = 22 000
9c = 22 000 + 230
c = 22 230/9
c = 2470
a = 2(2470) - 400
a = 4940 - 400
a = 4540
b = (570 + 3(2470))/2
b = (570 + 7410)/2
b = 7980/2
b = 3990
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Respuesta:
a tiene 4 540, b tiene 3 990 y c 2 470
Explicación paso a paso:
a + b +c = 11 000
2c - a = 400
2c - 400 = a
2b - 3c = 570
2b = 570 + 3c
b = (570 + 3c)/2
2c - 400 + (570 + 3c)/2 + c = 11 000
4c - 800 + 570 + 3c + 2c = 22 000
9c - 230 = 22 000
9c = 22 000 + 230
c = 22 230/9
c = 2470
a = 2(2470) - 400
a = 4940 - 400
a = 4540
b = (570 + 3(2470))/2
b = (570 + 7410)/2
b = 7980/2
b = 3990