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aivan3 [116]
3 years ago
7

28-(3c+4)=2(c+6)+c Solve for c

Mathematics
1 answer:
VLD [36.1K]3 years ago
3 0
Omiting\ brackets:\\28-(3c+4)=2(c+6)+c\\\\28-3c-4=2c+12+c\\\\-3c-2c-c=12-28+4\\\\-6c=12\ \ \ \ \ |:-6\\\\c=-2
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Un escalador sube 225m de altura. El asenso lo hizo en 3 etapas. En la primera subio un quinto en la, en la tercera un cuarto. ¿
kiruha [24]

Answer:

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Step-by-step explanation:

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<u>En la primera estapa subió el 20% (un quinto):</u>

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<u>En la tercera etapa subió 25% (un cuarto):</u>

Tercera etapa= 225*0.250 56.25 metros

Ahora debemos determinar cuánto subió en la segunda etapa:

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