hannamarcelo1234
hannamarcelo1234 hannamarcelo1234
  • 15-03-2020
  • Mathematics
contestada

Blood Types:
45% O type
40% A type
4% AB type
11% B type
a) In a survey, 126 people had type O blood.
Predict how many people were surveyed.
Hint: use a proportion to solve for the unknown.​

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dylanf52707
dylanf52707 dylanf52707
  • 15-03-2020

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