mottahec09 mottahec09
  • 08-11-2018
  • Mathematics
contestada

a razão entre dois números é 0,8. sabendo que um deles é 600, qual é o outro número?

Respuesta :

MikeMart77
MikeMart77 MikeMart77
  • 10-11-2018

[tex]\frac{x}{600}=0.8\\[/tex] ou [tex]\frac{600}{x}=0.8[/tex]

[tex]\frac{x}{600}=0.8\\x=0.8 * 600\\x=480\\\\\frac{600}{x}=0.8\\600=0.8x\\600/0.8=x\\x=750[/tex]

A resposta pode ser 480 ou 750, porque não nos é dito se 600 é o divisor ou o dividendo.

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