km7ccsa2yettymonaitl km7ccsa2yettymonaitl
  • 13-03-2017
  • Mathematics
contestada

The ratio of red collars to black collars sold at one store is 9 to 10. in one month 30 black collars were sold. is 57 a reasonable number for the total number of red and black collars sold that month. explain

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Аноним Аноним
  • 13-03-2017
27 red collars. 57-30=27
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